Base | Representation |
---|---|
bin | 100101010011110… |
… | …100011011110001 |
3 | 1121121211200101211 |
4 | 211103310123301 |
5 | 2240220434442 |
6 | 142040200121 |
7 | 21340336252 |
oct | 4523643361 |
9 | 1547750354 |
10 | 625952497 |
11 | 2a1374415 |
12 | 155769041 |
13 | 9c8b44c1 |
14 | 5d1c0b29 |
15 | 39e47617 |
hex | 254f46f1 |
625952497 has 2 divisors, whose sum is σ = 625952498. Its totient is φ = 625952496.
The previous prime is 625952491. The next prime is 625952513. The reversal of 625952497 is 794259526.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 564110001 + 61842496 = 23751^2 + 7864^2 .
It is a cyclic number.
It is not a de Polignac number, because 625952497 - 23 = 625952489 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 625952497.
It is not a weakly prime, because it can be changed into another prime (625952491) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312976248 + 312976249.
It is an arithmetic number, because the mean of its divisors is an integer number (312976249).
Almost surely, 2625952497 is an apocalyptic number.
It is an amenable number.
625952497 is a deficient number, since it is larger than the sum of its proper divisors (1).
625952497 is an equidigital number, since it uses as much as digits as its factorization.
625952497 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1360800, while the sum is 49.
The square root of 625952497 is about 25019.0426875210. The cubic root of 625952497 is about 855.4220854072.
The spelling of 625952497 in words is "six hundred twenty-five million, nine hundred fifty-two thousand, four hundred ninety-seven".
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