25038657 has 24 divisors (see below), whose sum is σ = 42182400. Its totient is φ = 14306040.

The previous prime is 25038649. The next prime is 25038679. The reversal of 25038657 is 75683052.

It is not a de Polignac number, because 25038657 - 2³ = 25038649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25038617) 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 in 23 ways as a sum of consecutive naturals, for example, 969 + ... + 7142.

It is an arithmetic number, because the mean of its divisors is an integer number (1757600).

Almost surely, 2^25038657 is an apocalyptic number.

It is an amenable number.

25038657 is a deficient number, since it is larger than the sum of its proper divisors (17143743).

25038657 is an equidigital number, since it uses as much as digits as its factorization.

25038657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8138 (or 8121 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 25038657 is about 5003.8642067906. The cubic root of 25038657 is about 292.5524078787.

The spelling of 25038657 in words is "twenty-five million, thirty-eight thousand, six hundred fifty-seven".