252357432 has 16 divisors (see below), whose sum is σ = 630893640. Its totient is φ = 84119136.

The previous prime is 252357409. The next prime is 252357439. The reversal of 252357432 is 234753252.

252357432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 252357393 and 252357402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252357439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5257423 + ... + 5257470.

Almost surely, 2^252357432 is an apocalyptic number.

It is an amenable number.

252357432 is an abundant number, since it is smaller than the sum of its proper divisors (378536208).

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

252357432 is a wasteful number, since it uses less digits than its factorization.

252357432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10514902 (or 10514898 counting only the distinct ones).

The product of its digits is 50400, while the sum is 33.

The square root of 252357432 is about 15885.7619269584. The cubic root of 252357432 is about 631.9344521562.

The spelling of 252357432 in words is "two hundred fifty-two million, three hundred fifty-seven thousand, four hundred thirty-two".