25395957 has 16 divisors (see below), whose sum is σ = 38335680. Its totient is φ = 16610256.

The previous prime is 25395941. The next prime is 25395971. The reversal of 25395957 is 75959352.

25395957 is a `hidden beast` number, since 2 + 53 + 9 + 595 + 7 = 666.

It is not a de Polignac number, because 25395957 - 2⁴ = 25395941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25395907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7443 + ... + 10304.

It is an arithmetic number, because the mean of its divisors is an integer number (2395980).

Almost surely, 2^25395957 is an apocalyptic number.

25395957 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

25395957 is a deficient number, since it is larger than the sum of its proper divisors (12939723).

25395957 is a wasteful number, since it uses less digits than its factorization.

25395957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17809 (or 17803 counting only the distinct ones).

The product of its digits is 425250, while the sum is 45.

The square root of 25395957 is about 5039.4401474767. The cubic root of 25395957 is about 293.9374085830.

It can be divided in two parts, 253959 and 57, that added together give a square (254016 = 504²).

The spelling of 25395957 in words is "twenty-five million, three hundred ninety-five thousand, nine hundred fifty-seven".