572242939 has 2 divisors, whose sum is σ = 572242940. Its totient is φ = 572242938.

The previous prime is 572242901. The next prime is 572242963. The reversal of 572242939 is 939242275.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 572242939 - 2⁹ = 572242427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 572242895 and 572242904.

It is not a weakly prime, because it can be changed into another prime (572242439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286121469 + 286121470.

It is an arithmetic number, because the mean of its divisors is an integer number (286121470).

Almost surely, 2^572242939 is an apocalyptic number.

572242939 is a deficient number, since it is larger than the sum of its proper divisors (1).

572242939 is an equidigital number, since it uses as much as digits as its factorization.

572242939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 572242939 is about 23921.5998419838. The cubic root of 572242939 is about 830.2205534747.

The spelling of 572242939 in words is "five hundred seventy-two million, two hundred forty-two thousand, nine hundred thirty-nine".