571252668 has 48 divisors (see below), whose sum is σ = 1528902144. Its totient is φ = 162619200.

The previous prime is 571252601. The next prime is 571252673. The reversal of 571252668 is 866252175.

571252668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×571252668² = 652659221394236448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10993 + ... + 35543.

It is an arithmetic number, because the mean of its divisors is an integer number (31852128).

Almost surely, 2^571252668 is an apocalyptic number.

It is an amenable number.

571252668 is an abundant number, since it is smaller than the sum of its proper divisors (957649476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

571252668 is a wasteful number, since it uses less digits than its factorization.

571252668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24842 (or 24840 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 571252668 is about 23900.8926193145. The cubic root of 571252668 is about 829.7413758504.

The spelling of 571252668 in words is "five hundred seventy-one million, two hundred fifty-two thousand, six hundred sixty-eight".