25528252 has 24 divisors (see below), whose sum is σ = 48125952. Its totient is φ = 11814000.

The previous prime is 25528249. The next prime is 25528259. The reversal of 25528252 is 25282552.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25528259) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1624 + ... + 7327.

It is an arithmetic number, because the mean of its divisors is an integer number (2005248).

Almost surely, 2^25528252 is an apocalyptic number.

It is an amenable number.

25528252 is a deficient number, since it is larger than the sum of its proper divisors (22597700).

25528252 is a wasteful number, since it uses less digits than its factorization.

25528252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9009 (or 9007 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 25528252 is about 5052.5490596332. The cubic root of 25528252 is about 294.4469269624.

The spelling of 25528252 in words is "twenty-five million, five hundred twenty-eight thousand, two hundred fifty-two".