252131355 has 24 divisors (see below), whose sum is σ = 499460832. Its totient is φ = 115259904.

The previous prime is 252131351. The next prime is 252131381. The reversal of 252131355 is 553131252.

It is a happy number.

252131355 is a `hidden beast` number, since 2 + 521 + 3 + 135 + 5 = 666.

252131355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252131355 - 2² = 252131351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252131351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399894 + ... + 400523.

It is an arithmetic number, because the mean of its divisors is an integer number (20810868).

Almost surely, 2^252131355 is an apocalyptic number.

252131355 is a deficient number, since it is larger than the sum of its proper divisors (247329477).

252131355 is a wasteful number, since it uses less digits than its factorization.

252131355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800435 (or 800432 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 252131355 is about 15878.6446209996. The cubic root of 252131355 is about 631.7456874507.

The spelling of 252131355 in words is "two hundred fifty-two million, one hundred thirty-one thousand, three hundred fifty-five".