252717572 has 6 divisors (see below), whose sum is σ = 442255758. Its totient is φ = 126358784.

The previous prime is 252717541. The next prime is 252717581. The reversal of 252717572 is 275717252.

It can be written as a sum of positive squares in only one way, i.e., 194714116 + 58003456 = 13954^2 + 7616^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31589693 + ... + 31589700.

It is an arithmetic number, because the mean of its divisors is an integer number (73709293).

Almost surely, 2^252717572 is an apocalyptic number.

It is an amenable number.

252717572 is a deficient number, since it is larger than the sum of its proper divisors (189538186).

252717572 is a wasteful number, since it uses less digits than its factorization.

252717572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63179397 (or 63179395 counting only the distinct ones).

The product of its digits is 68600, while the sum is 38.

The square root of 252717572 is about 15897.0931934112. The cubic root of 252717572 is about 632.2349210786.

The spelling of 252717572 in words is "two hundred fifty-two million, seven hundred seventeen thousand, five hundred seventy-two".