25258625 has 16 divisors (see below), whose sum is σ = 36027264. Its totient is φ = 17319600.

The previous prime is 25258621. The next prime is 25258627. The reversal of 25258625 is 52685252.

It is not a de Polignac number, because 25258625 - 2² = 25258621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (25258621) 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, 13559 + ... + 15308.

It is an arithmetic number, because the mean of its divisors is an integer number (2251704).

Almost surely, 2^25258625 is an apocalyptic number.

25258625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25258625 is a deficient number, since it is larger than the sum of its proper divisors (10768639).

25258625 is an equidigital number, since it uses as much as digits as its factorization.

25258625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28889 (or 28879 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 25258625 is about 5025.7959568610. The cubic root of 25258625 is about 293.4066155004.

The spelling of 25258625 in words is "twenty-five million, two hundred fifty-eight thousand, six hundred twenty-five".