25005258 has 24 divisors (see below), whose sum is σ = 54688608. Its totient is φ = 8256552.

The previous prime is 25005191. The next prime is 25005263. The reversal of 25005258 is 85250052.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4566 + ... + 8417.

It is an arithmetic number, because the mean of its divisors is an integer number (2278692).

Almost surely, 2^25005258 is an apocalyptic number.

25005258 is an abundant number, since it is smaller than the sum of its proper divisors (29683350).

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

25005258 is a wasteful number, since it uses less digits than its factorization.

25005258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13098 (or 13095 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 25005258 is about 5000.5257723563. The cubic root of 25005258 is about 292.4222716980.

The spelling of 25005258 in words is "twenty-five million, five thousand, two hundred fifty-eight".