572936081 has 4 divisors (see below), whose sum is σ = 573083700. Its totient is φ = 572788464.

The previous prime is 572936069. The next prime is 572936131. The reversal of 572936081 is 180639275.

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 346704400 + 226231681 = 18620^2 + 15041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-572936081 is a prime.

It is a super-2 number, since 2×572936081² = 656511505823277122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572936281) 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, 67826 + ... + 75803.

It is an arithmetic number, because the mean of its divisors is an integer number (143270925).

Almost surely, 2^572936081 is an apocalyptic number.

It is an amenable number.

572936081 is a deficient number, since it is larger than the sum of its proper divisors (147619).

572936081 is a wasteful number, since it uses less digits than its factorization.

572936081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147618.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 572936081 is about 23936.0832426694. The cubic root of 572936081 is about 830.5556259328. Note that the first 3 decimals are identical.

The spelling of 572936081 in words is "five hundred seventy-two million, nine hundred thirty-six thousand, eighty-one".