25352435232 has 72 divisors (see below), whose sum is σ = 72135701820. Its totient is φ = 8446156800.

The previous prime is 25352435201. The next prime is 25352435237. The reversal of 25352435232 is 23253425352.

25352435232 is a `hidden beast` number, since 2 + 53 + 524 + 3 + 52 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23989053456 + 1363381776 = 154884^2 + 36924^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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 (25352435237) 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 11 ways as a sum of consecutive naturals, for example, 520732 + ... + 567332.

Almost surely, 2^25352435232 is an apocalyptic number.

It is an amenable number.

25352435232 is an abundant number, since it is smaller than the sum of its proper divisors (46783266588).

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

25352435232 is a wasteful number, since it uses less digits than its factorization.

25352435232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48506 (or 48495 counting only the distinct ones).

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

The spelling of 25352435232 in words is "twenty-five billion, three hundred fifty-two million, four hundred thirty-five thousand, two hundred thirty-two".