25717325 has 12 divisors (see below), whose sum is σ = 32090208. Its totient is φ = 20444400.

The previous prime is 25717303. The next prime is 25717337. The reversal of 25717325 is 52371752.

It is not a de Polignac number, because 25717325 - 2⁶ = 25717261 is a prime.

It is a super-2 number, since 2×25717325² = 1322761610311250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25717291 and 25717300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 920 + ... + 7230.

It is an arithmetic number, because the mean of its divisors is an integer number (2674184).

Almost surely, 2^25717325 is an apocalyptic number.

25717325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25717325 is a deficient number, since it is larger than the sum of its proper divisors (6372883).

25717325 is a wasteful number, since it uses less digits than its factorization.

25717325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6484 (or 6479 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 25717325 is about 5071.2251971294. The cubic root of 25717325 is about 295.1720723586.

The spelling of 25717325 in words is "twenty-five million, seven hundred seventeen thousand, three hundred twenty-five".