25087017 has 16 divisors (see below), whose sum is σ = 34550208. Its totient is φ = 16181760.

The previous prime is 25087009. The next prime is 25087031. The reversal of 25087017 is 71078052.

It is a happy number.

It is not a de Polignac number, because 25087017 - 2³ = 25087009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25087037) 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, 13717 + ... + 15437.

It is an arithmetic number, because the mean of its divisors is an integer number (2159388).

Almost surely, 2^25087017 is an apocalyptic number.

It is an amenable number.

25087017 is a deficient number, since it is larger than the sum of its proper divisors (9463191).

25087017 is a wasteful number, since it uses less digits than its factorization.

25087017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 25087017 is about 5008.6941411909. The cubic root of 25087017 is about 292.7406333064.

The spelling of 25087017 in words is "twenty-five million, eighty-seven thousand, seventeen".