572243539 has 16 divisors (see below), whose sum is σ = 710625280. Its totient is φ = 449686080.

The previous prime is 572243521. The next prime is 572243557. The reversal of 572243539 is 935342275.

It is an interprime number because it is at equal distance from previous prime (572243521) and next prime (572243557).

It is a cyclic number.

It is not a de Polignac number, because 572243539 - 2⁷ = 572243411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572243509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65274 + ... + 73519.

It is an arithmetic number, because the mean of its divisors is an integer number (44414080).

Almost surely, 2^572243539 is an apocalyptic number.

572243539 is a deficient number, since it is larger than the sum of its proper divisors (138381741).

572243539 is a wasteful number, since it uses less digits than its factorization.

572243539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138850.

The product of its digits is 226800, while the sum is 40.

The square root of 572243539 is about 23921.6123829478. The cubic root of 572243539 is about 830.2208436382.

The spelling of 572243539 in words is "five hundred seventy-two million, two hundred forty-three thousand, five hundred thirty-nine".