572510221 has 4 divisors (see below), whose sum is σ = 573307200. Its totient is φ = 571713244.

The previous prime is 572510219. The next prime is 572510249. The reversal of 572510221 is 122015275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 572510221 - 2¹ = 572510219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572510251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397411 + ... + 398848.

It is an arithmetic number, because the mean of its divisors is an integer number (143326800).

Almost surely, 2^572510221 is an apocalyptic number.

It is an amenable number.

572510221 is a deficient number, since it is larger than the sum of its proper divisors (796979).

572510221 is an equidigital number, since it uses as much as digits as its factorization.

572510221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796978.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 572510221 is about 23927.1858144664. The cubic root of 572510221 is about 830.3497925648.

Adding to 572510221 its reverse (122015275), we get a palindrome (694525496).

The spelling of 572510221 in words is "five hundred seventy-two million, five hundred ten thousand, two hundred twenty-one".