572867561 has 8 divisors (see below), whose sum is σ = 657021504. Its totient is φ = 489292560.

The previous prime is 572867557. The next prime is 572867567. The reversal of 572867561 is 165768275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 572867561 - 2² = 572867557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572867567) 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 7 ways as a sum of consecutive naturals, for example, 142610 + ... + 146571.

It is an arithmetic number, because the mean of its divisors is an integer number (82127688).

Almost surely, 2^572867561 is an apocalyptic number.

It is an amenable number.

572867561 is a deficient number, since it is larger than the sum of its proper divisors (84153943).

572867561 is a wasteful number, since it uses less digits than its factorization.

572867561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289471.

The product of its digits is 705600, while the sum is 47.

The square root of 572867561 is about 23934.6518880054. The cubic root of 572867561 is about 830.5225146531.

The spelling of 572867561 in words is "five hundred seventy-two million, eight hundred sixty-seven thousand, five hundred sixty-one".