572138325 has 72 divisors (see below), whose sum is σ = 1154140416. Its totient is φ = 268416000.

The previous prime is 572138311. The next prime is 572138327. The reversal of 572138325 is 523831275.

It is a happy number.

572138325 is a `hidden beast` number, since 572 + 1 + 3 + 83 + 2 + 5 = 666.

It is not a de Polignac number, because 572138325 - 2⁶ = 572138261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 572138325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572138327) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 72997 + ... + 80453.

It is an arithmetic number, because the mean of its divisors is an integer number (16029728).

Almost surely, 2^572138325 is an apocalyptic number.

572138325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

572138325 is an abundant number, since it is smaller than the sum of its proper divisors (582002091).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

572138325 is a wasteful number, since it uses less digits than its factorization.

572138325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7515 (or 7507 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 572138325 is about 23919.4131407942. The cubic root of 572138325 is about 830.1699584213.

The spelling of 572138325 in words is "five hundred seventy-two million, one hundred thirty-eight thousand, three hundred twenty-five".