572621091 has 16 divisors (see below), whose sum is σ = 886871808. Its totient is φ = 321847200.

The previous prime is 572621039. The next prime is 572621099. The reversal of 572621091 is 190126275.

It is not a de Polignac number, because 572621091 - 2¹⁰ = 572620067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (572621099) 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, 222225 + ... + 224786.

It is an arithmetic number, because the mean of its divisors is an integer number (55429488).

Almost surely, 2^572621091 is an apocalyptic number.

572621091 is a deficient number, since it is larger than the sum of its proper divisors (314250717).

572621091 is a wasteful number, since it uses less digits than its factorization.

572621091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447082.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 572621091 is about 23929.5025230363. The cubic root of 572621091 is about 830.4033898259.

The spelling of 572621091 in words is "five hundred seventy-two million, six hundred twenty-one thousand, ninety-one".