572986021 has 8 divisors (see below), whose sum is σ = 614524320. Its totient is φ = 532585872.

The previous prime is 572986019. The next prime is 572986039. The reversal of 572986021 is 120689275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 572986021 - 2¹ = 572986019 is a prime.

It is a super-2 number, since 2×572986021² = 656625960522824882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572986061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283495 + ... + 285508.

It is an arithmetic number, because the mean of its divisors is an integer number (76815540).

Almost surely, 2^572986021 is an apocalyptic number.

It is an amenable number.

572986021 is a deficient number, since it is larger than the sum of its proper divisors (41538299).

572986021 is a wasteful number, since it uses less digits than its factorization.

572986021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569075.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 572986021 is about 23937.1264148394. The cubic root of 572986021 is about 830.5797570382.

The spelling of 572986021 in words is "five hundred seventy-two million, nine hundred eighty-six thousand, twenty-one".