572521145 has 12 divisors (see below), whose sum is σ = 799193124. Its totient is φ = 392585760.

The previous prime is 572521127. The next prime is 572521193. The reversal of 572521145 is 541125275.

It can be written as a sum of positive squares in 2 ways, for example, as 67305616 + 505215529 = 8204^2 + 22477^2 .

It is a de Polignac number, because none of the positive numbers 2^k-572521145 is a prime.

It is a super-2 number, since 2×572521145² = 655560922944222050, which contains 22 as substring.

It is a Duffinian number.

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, 1168166 + ... + 1168655.

It is an arithmetic number, because the mean of its divisors is an integer number (66599427).

Almost surely, 2^572521145 is an apocalyptic number.

It is an amenable number.

572521145 is a deficient number, since it is larger than the sum of its proper divisors (226671979).

572521145 is a wasteful number, since it uses less digits than its factorization.

572521145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336840 (or 2336833 counting only the distinct ones).

The product of its digits is 14000, while the sum is 32.

The square root of 572521145 is about 23927.4140892826. The cubic root of 572521145 is about 830.3550738000.

The spelling of 572521145 in words is "five hundred seventy-two million, five hundred twenty-one thousand, one hundred forty-five".