25057617 has 16 divisors (see below), whose sum is σ = 36418368. Its totient is φ = 15232320.

The previous prime is 25057597. The next prime is 25057631. The reversal of 25057617 is 71675052.

It is not a de Polignac number, because 25057617 - 2⁶ = 25057553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25057667) 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, 634 + ... + 7107.

It is an arithmetic number, because the mean of its divisors is an integer number (2276148).

Almost surely, 2^25057617 is an apocalyptic number.

It is an amenable number.

25057617 is a deficient number, since it is larger than the sum of its proper divisors (11360751).

25057617 is a wasteful number, since it uses less digits than its factorization.

25057617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7840.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 25057617 is about 5005.7583841013. The cubic root of 25057617 is about 292.6262323145.

The spelling of 25057617 in words is "twenty-five million, fifty-seven thousand, six hundred seventeen".