572138975 has 12 divisors (see below), whose sum is σ = 722839896. Its totient is φ = 449074080.

The previous prime is 572138971. The next prime is 572138981. The reversal of 572138975 is 579831275.

572138975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 572138975 - 2² = 572138971 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 (572138971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214577 + ... + 217226.

It is an arithmetic number, because the mean of its divisors is an integer number (60236658).

Almost surely, 2^572138975 is an apocalyptic number.

572138975 is a deficient number, since it is larger than the sum of its proper divisors (150700921).

572138975 is a wasteful number, since it uses less digits than its factorization.

572138975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431866 (or 431861 counting only the distinct ones).

The product of its digits is 529200, while the sum is 47.

The square root of 572138975 is about 23919.4267280803. The cubic root of 572138975 is about 830.1702728035.

The spelling of 572138975 in words is "five hundred seventy-two million, one hundred thirty-eight thousand, nine hundred seventy-five".