572721825 has 48 divisors (see below), whose sum is σ = 1044683136. Its totient is φ = 275059200.

The previous prime is 572721811. The next prime is 572721833. The reversal of 572721825 is 528127275.

It is not a de Polignac number, because 572721825 - 2¹⁹ = 572197537 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32812 + ... + 47138.

It is an arithmetic number, because the mean of its divisors is an integer number (21764232).

Almost surely, 2^572721825 is an apocalyptic number.

It is an amenable number.

572721825 is a deficient number, since it is larger than the sum of its proper divisors (471961311).

572721825 is a wasteful number, since it uses less digits than its factorization.

572721825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14394 (or 14389 counting only the distinct ones).

The product of its digits is 78400, while the sum is 39.

The square root of 572721825 is about 23931.6072381276. The cubic root of 572721825 is about 830.4520810994.

The spelling of 572721825 in words is "five hundred seventy-two million, seven hundred twenty-one thousand, eight hundred twenty-five".