Search a number
-
+
61425241 is a prime number
BaseRepresentation
bin1110101001010…
…0011001011001
311021120201120221
43222110121121
5111211101431
610032320041
71344051223
oct352243131
9137521527
1061425241
1131744769
12186a3021
13c9588c7
14822d413
1555d5111
hex3a94659

61425241 has 2 divisors, whose sum is σ = 61425242. Its totient is φ = 61425240.

The previous prime is 61425239. The next prime is 61425253. The reversal of 61425241 is 14252416.

It is a happy number.

61425241 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., 54686025 + 6739216 = 7395^2 + 2596^2 .

It is a cyclic number.

It is not a de Polignac number, because 61425241 - 21 = 61425239 is a prime.

Together with 61425239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (61425941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30712620 + 30712621.

It is an arithmetic number, because the mean of its divisors is an integer number (30712621).

Almost surely, 261425241 is an apocalyptic number.

It is an amenable number.

61425241 is a deficient number, since it is larger than the sum of its proper divisors (1).

61425241 is an equidigital number, since it uses as much as digits as its factorization.

61425241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 25.

The square root of 61425241 is about 7837.4256615294. The cubic root of 61425241 is about 394.5623331612.

Adding to 61425241 its reverse (14252416), we get a palindrome (75677657).

The spelling of 61425241 in words is "sixty-one million, four hundred twenty-five thousand, two hundred forty-one".