25266585 has 24 divisors (see below), whose sum is σ = 41433984. Its totient is φ = 13147680.

The previous prime is 25266551. The next prime is 25266587. The reversal of 25266585 is 58566252.

It is a happy number.

It is not a de Polignac number, because 25266585 - 2²⁰ = 24218009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25266587) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27280 + ... + 28190.

It is an arithmetic number, because the mean of its divisors is an integer number (1726416).

Almost surely, 2^25266585 is an apocalyptic number.

It is an amenable number.

25266585 is a deficient number, since it is larger than the sum of its proper divisors (16167399).

25266585 is an equidigital number, since it uses as much as digits as its factorization.

25266585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 962 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 25266585 is about 5026.5878088421. The cubic root of 25266585 is about 293.4374336383.

The spelling of 25266585 in words is "twenty-five million, two hundred sixty-six thousand, five hundred eighty-five".