25713625 has 16 divisors (see below), whose sum is σ = 36676224. Its totient is φ = 17631600.

The previous prime is 25713599. The next prime is 25713629. The reversal of 25713625 is 52631752.

It is a de Polignac number, because none of the positive numbers 2^k-25713625 is a prime.

It is a super-2 number, since 2×25713625² = 1322381021281250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25713629) 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 15 ways as a sum of consecutive naturals, for example, 13819 + ... + 15568.

It is an arithmetic number, because the mean of its divisors is an integer number (2292264).

Almost surely, 2^25713625 is an apocalyptic number.

25713625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25713625 is a deficient number, since it is larger than the sum of its proper divisors (10962599).

25713625 is an equidigital number, since it uses as much as digits as its factorization.

25713625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29409 (or 29399 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 25713625 is about 5070.8603806455. The cubic root of 25713625 is about 295.1579160257.

The spelling of 25713625 in words is "twenty-five million, seven hundred thirteen thousand, six hundred twenty-five".