252653506 has 24 divisors (see below), whose sum is σ = 443689596. Its totient is φ = 107583840.

The previous prime is 252653447. The next prime is 252653519. The reversal of 252653506 is 605356252.

It can be written as a sum of positive squares in 2 ways, for example, as 204919225 + 47734281 = 14315^2 + 6909^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7176 + ... + 23596.

Almost surely, 2^252653506 is an apocalyptic number.

252653506 is a deficient number, since it is larger than the sum of its proper divisors (191036090).

252653506 is a wasteful number, since it uses less digits than its factorization.

252653506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16594 (or 16587 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 252653506 is about 15895.0780432183. The cubic root of 252653506 is about 632.1814909651.

The spelling of 252653506 in words is "two hundred fifty-two million, six hundred fifty-three thousand, five hundred six".