25904097 has 32 divisors (see below), whose sum is σ = 39744000. Its totient is φ = 16665984.

The previous prime is 25904093. The next prime is 25904101. The reversal of 25904097 is 79040952.

It is an interprime number because it is at equal distance from previous prime (25904093) and next prime (25904101).

It is not a de Polignac number, because 25904097 - 2² = 25904093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25904093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173779 + ... + 173927.

It is an arithmetic number, because the mean of its divisors is an integer number (1242000).

Almost surely, 2^25904097 is an apocalyptic number.

25904097 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

25904097 is a deficient number, since it is larger than the sum of its proper divisors (13839903).

25904097 is a wasteful number, since it uses less digits than its factorization.

25904097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 25904097 is about 5089.6067628059. The cubic root of 25904097 is about 295.8849115826.

The spelling of 25904097 in words is "twenty-five million, nine hundred four thousand, ninety-seven".