25251256 has 32 divisors (see below), whose sum is σ = 50757840. Its totient is φ = 11734528.

The previous prime is 25251227. The next prime is 25251287. The reversal of 25251256 is 65215252.

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 7 ways as a sum of consecutive naturals, for example, 10170 + ... + 12406.

Almost surely, 2^25251256 is an apocalyptic number.

It is an amenable number.

25251256 is an abundant number, since it is smaller than the sum of its proper divisors (25506584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25251256 is a wasteful number, since it uses less digits than its factorization.

25251256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343 (or 2339 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 25251256 is about 5025.0627856774. The cubic root of 25251256 is about 293.3780797211.

The spelling of 25251256 in words is "twenty-five million, two hundred fifty-one thousand, two hundred fifty-six".