572363861 has 4 divisors (see below), whose sum is σ = 572664972. Its totient is φ = 572062752.

The previous prime is 572363849. The next prime is 572363863. The reversal of 572363861 is 168363275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 356832100 + 215531761 = 18890^2 + 14681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-572363861 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 (572363863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147686 + ... + 151511.

It is an arithmetic number, because the mean of its divisors is an integer number (143166243).

Almost surely, 2^572363861 is an apocalyptic number.

It is an amenable number.

572363861 is a deficient number, since it is larger than the sum of its proper divisors (301111).

572363861 is a wasteful number, since it uses less digits than its factorization.

572363861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301110.

The product of its digits is 181440, while the sum is 41.

The square root of 572363861 is about 23924.1271732116. The cubic root of 572363861 is about 830.2790279747.

The spelling of 572363861 in words is "five hundred seventy-two million, three hundred sixty-three thousand, eight hundred sixty-one".