572521705 has 16 divisors (see below), whose sum is σ = 785790720. Its totient is φ = 392277312.

The previous prime is 572521687. The next prime is 572521709. The reversal of 572521705 is 507125275.

It is not a de Polignac number, because 572521705 - 2⁹ = 572521193 is a prime.

It is a super-2 number, since 2×572521705² = 655562205392214050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (572521709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44292 + ... + 55738.

It is an arithmetic number, because the mean of its divisors is an integer number (49111920).

Almost surely, 2^572521705 is an apocalyptic number.

It is an amenable number.

572521705 is a deficient number, since it is larger than the sum of its proper divisors (213269015).

572521705 is a wasteful number, since it uses less digits than its factorization.

572521705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12888.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 572521705 is about 23927.4257913383. The cubic root of 572521705 is about 830.3553445316.

The spelling of 572521705 in words is "five hundred seventy-two million, five hundred twenty-one thousand, seven hundred five".