25155252 has 24 divisors (see below), whose sum is σ = 65217600. Its totient is φ = 8385048.

The previous prime is 25155239. The next prime is 25155287. The reversal of 25155252 is 25255152.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116352 + ... + 116567.

It is an arithmetic number, because the mean of its divisors is an integer number (2717400).

Almost surely, 2^25155252 is an apocalyptic number.

It is an amenable number.

25155252 is an abundant number, since it is smaller than the sum of its proper divisors (40062348).

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

25155252 is a wasteful number, since it uses less digits than its factorization.

25155252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232932 (or 232924 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 25155252 is about 5015.5011713686. The cubic root of 25155252 is about 293.0058046507.

The spelling of 25155252 in words is "twenty-five million, one hundred fifty-five thousand, two hundred fifty-two".