572389 has 4 divisors (see below), whose sum is σ = 577024. Its totient is φ = 567756.

The previous prime is 572387. The next prime is 572399. The reversal of 572389 is 983275.

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 572389 - 2¹ = 572387 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 (572387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127 + ... + 2380.

It is an arithmetic number, because the mean of its divisors is an integer number (144256).

2⁵⁷²³⁸⁹ is an apocalyptic number.

It is an amenable number.

572389 is a deficient number, since it is larger than the sum of its proper divisors (4635).

572389 is a wasteful number, since it uses less digits than its factorization.

572389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634.

The product of its digits is 15120, while the sum is 34.

The square root of 572389 is about 756.5639431006. The cubic root of 572389 is about 83.0291183458.

It can be divided in two parts, 572 and 389, that added together give a square (961 = 31²).

The spelling of 572389 in words is "five hundred seventy-two thousand, three hundred eighty-nine".