572487321 has 8 divisors (see below), whose sum is σ = 872361664. Its totient is φ = 327135600.

The previous prime is 572487317. The next prime is 572487403. The reversal of 572487321 is 123784275.

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

It is not a de Polignac number, because 572487321 - 2² = 572487317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 572487321.

It is not an unprimeable number, because it can be changed into a prime (572487301) 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, 13630630 + ... + 13630671.

It is an arithmetic number, because the mean of its divisors is an integer number (109045208).

Almost surely, 2^572487321 is an apocalyptic number.

It is an amenable number.

572487321 is a deficient number, since it is larger than the sum of its proper divisors (299874343).

572487321 is a wasteful number, since it uses less digits than its factorization.

572487321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27261311.

The product of its digits is 94080, while the sum is 39.

The square root of 572487321 is about 23926.7072745081. The cubic root of 572487321 is about 830.3387212843.

The spelling of 572487321 in words is "five hundred seventy-two million, four hundred eighty-seven thousand, three hundred twenty-one".