505205572 has 6 divisors (see below), whose sum is σ = 884109758. Its totient is φ = 252602784.

The previous prime is 505205551. The next prime is 505205587. The reversal of 505205572 is 275502505.

It can be written as a sum of positive squares in only one way, i.e., 504721156 + 484416 = 22466^2 + 696^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63150693 + ... + 63150700.

Almost surely, 2^505205572 is an apocalyptic number.

It is an amenable number.

505205572 is a deficient number, since it is larger than the sum of its proper divisors (378904186).

505205572 is a wasteful number, since it uses less digits than its factorization.

505205572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126301397 (or 126301395 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 505205572 is about 22476.7785058269. The cubic root of 505205572 is about 796.4454654124.

The spelling of 505205572 in words is "five hundred five million, two hundred five thousand, five hundred seventy-two".