25524333252 has 48 divisors (see below), whose sum is σ = 72190036800. Its totient is φ = 7734646080.

The previous prime is 25524333187. The next prime is 25524333253. The reversal of 25524333252 is 25233342552.

25524333252 is a `hidden beast` number, since 2 + 55 + 24 + 333 + 252 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25524333253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10741377 + ... + 10743752.

It is an arithmetic number, because the mean of its divisors is an integer number (1503959100).

Almost surely, 2^25524333252 is an apocalyptic number.

25524333252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25524333252 is an abundant number, since it is smaller than the sum of its proper divisors (46665703548).

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

25524333252 is a wasteful number, since it uses less digits than its factorization.

25524333252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21485153 (or 21485145 counting only the distinct ones).

The product of its digits is 216000, while the sum is 36.

The spelling of 25524333252 in words is "twenty-five billion, five hundred twenty-four million, three hundred thirty-three thousand, two hundred fifty-two".