564621572 has 12 divisors (see below), whose sum is σ = 1031048256. Its totient is φ = 270036360.

The previous prime is 564621571. The next prime is 564621581. The reversal of 564621572 is 275126465.

It is a super-3 number, since 3×564621572³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (564621571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3068504 + ... + 3068687.

It is an arithmetic number, because the mean of its divisors is an integer number (85920688).

Almost surely, 2^564621572 is an apocalyptic number.

It is an amenable number.

564621572 is a deficient number, since it is larger than the sum of its proper divisors (466426684).

564621572 is a wasteful number, since it uses less digits than its factorization.

564621572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137218 (or 6137216 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 564621572 is about 23761.7670218357. The cubic root of 564621572 is about 826.5183289017.

The spelling of 564621572 in words is "five hundred sixty-four million, six hundred twenty-one thousand, five hundred seventy-two".