252053631 has 12 divisors (see below), whose sum is σ = 365058408. Its totient is φ = 167583024.

The previous prime is 252053617. The next prime is 252053651. The reversal of 252053631 is 136350252.

252053631 is a `hidden beast` number, since 2 + 5 + 20 + 5 + 3 + 631 = 666.

252053631 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 252053631 - 2⁶ = 252053567 is a prime.

It is a super-2 number, since 2×252053631² = 127062065800568322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252053595 and 252053604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252053651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34185 + ... + 40898.

It is an arithmetic number, because the mean of its divisors is an integer number (30421534).

Almost surely, 2^252053631 is an apocalyptic number.

252053631 is a deficient number, since it is larger than the sum of its proper divisors (113004777).

252053631 is a wasteful number, since it uses less digits than its factorization.

252053631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75462 (or 75459 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 252053631 is about 15876.1969942427. The cubic root of 252053631 is about 631.6807651430.

The spelling of 252053631 in words is "two hundred fifty-two million, fifty-three thousand, six hundred thirty-one".