25005250 has 32 divisors (see below), whose sum is σ = 48438000. Its totient is φ = 9654400.

The previous prime is 25005191. The next prime is 25005263. The reversal of 25005250 is 5250052.

It can be written as a sum of positive squares in 8 ways, for example, as 670761 + 24334489 = 819^2 + 4933^2 .

It is an unprimeable number.

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, 5526 + ... + 8974.

Almost surely, 2^25005250 is an apocalyptic number.

25005250 is a deficient number, since it is larger than the sum of its proper divisors (23432750).

25005250 is a wasteful number, since it uses less digits than its factorization.

25005250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 25005250 is about 5000.5249724404. The cubic root of 25005250 is about 292.4222405129.

It can be divided in two parts, 2500 and 5250, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 25005250 in words is "twenty-five million, five thousand, two hundred fifty".