25557252 has 24 divisors (see below), whose sum is σ = 68152896. Its totient is φ = 7302048.

The previous prime is 25557251. The next prime is 25557293. The reversal of 25557252 is 25275552.

It is not an unprimeable number, because it can be changed into a prime (25557251) by changing a digit.

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, 152043 + ... + 152210.

It is an arithmetic number, because the mean of its divisors is an integer number (2839704).

Almost surely, 2^25557252 is an apocalyptic number.

It is an amenable number.

25557252 is an abundant number, since it is smaller than the sum of its proper divisors (42595644).

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

25557252 is a wasteful number, since it uses less digits than its factorization.

25557252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304267 (or 304265 counting only the distinct ones).

The product of its digits is 35000, while the sum is 33.

The square root of 25557252 is about 5055.4180836010. The cubic root of 25557252 is about 294.5583816429.

The spelling of 25557252 in words is "twenty-five million, five hundred fifty-seven thousand, two hundred fifty-two".