252812642 has 16 divisors (see below), whose sum is σ = 405361152. Its totient is φ = 117960480.

The previous prime is 252812591. The next prime is 252812653. The reversal of 252812642 is 246218252.

252812642 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 = 252812599 and 252812608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65138 + ... + 68909.

It is an arithmetic number, because the mean of its divisors is an integer number (25335072).

Almost surely, 2^252812642 is an apocalyptic number.

252812642 is a deficient number, since it is larger than the sum of its proper divisors (152548510).

252812642 is a wasteful number, since it uses less digits than its factorization.

252812642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134113.

The product of its digits is 15360, while the sum is 32.

The square root of 252812642 is about 15900.0830815439. The cubic root of 252812642 is about 632.3141914381.

The spelling of 252812642 in words is "two hundred fifty-two million, eight hundred twelve thousand, six hundred forty-two".