572149867 has 2 divisors, whose sum is σ = 572149868. Its totient is φ = 572149866.

The previous prime is 572149861. The next prime is 572149913. The reversal of 572149867 is 768941275.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-572149867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 572149867.

It is not a weakly prime, because it can be changed into another prime (572149861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286074933 + 286074934.

It is an arithmetic number, because the mean of its divisors is an integer number (286074934).

Almost surely, 2^572149867 is an apocalyptic number.

572149867 is a deficient number, since it is larger than the sum of its proper divisors (1).

572149867 is an equidigital number, since it uses as much as digits as its factorization.

572149867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

The square root of 572149867 is about 23919.6544080386. The cubic root of 572149867 is about 830.1755408459.

It can be divided in two parts, 57214 and 9867, that added together give a square (67081 = 259²).

The spelling of 572149867 in words is "five hundred seventy-two million, one hundred forty-nine thousand, eight hundred sixty-seven".