Base | Representation |
---|---|
bin | 1001000010001110… |
… | …0011111110110001 |
3 | 20021000112000221001 |
4 | 2100203203332301 |
5 | 14431330212041 |
6 | 1040353202001 |
7 | 114046132663 |
oct | 22043437661 |
9 | 6230460831 |
10 | 2425241521 |
11 | 1034a9293a |
12 | 578260301 |
13 | 2c85b5a71 |
14 | 190150533 |
15 | e2db0131 |
hex | 908e3fb1 |
2425241521 has 2 divisors, whose sum is σ = 2425241522. Its totient is φ = 2425241520.
The previous prime is 2425241519. The next prime is 2425241527. The reversal of 2425241521 is 1251425242.
It is a happy number.
2425241521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1288810000 + 1136431521 = 35900^2 + 33711^2 .
It is a cyclic number.
It is not a de Polignac number, because 2425241521 - 21 = 2425241519 is a prime.
Together with 2425241519, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 2425241521.
It is not a weakly prime, because it can be changed into another prime (2425241527) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1212620760 + 1212620761.
It is an arithmetic number, because the mean of its divisors is an integer number (1212620761).
Almost surely, 22425241521 is an apocalyptic number.
It is an amenable number.
2425241521 is a deficient number, since it is larger than the sum of its proper divisors (1).
2425241521 is an equidigital number, since it uses as much as digits as its factorization.
2425241521 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6400, while the sum is 28.
The square root of 2425241521 is about 49246.7412221357. The cubic root of 2425241521 is about 1343.5432920734.
Adding to 2425241521 its reverse (1251425242), we get a palindrome (3676666763).
The spelling of 2425241521 in words is "two billion, four hundred twenty-five million, two hundred forty-one thousand, five hundred twenty-one".
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