573432881 has 4 divisors (see below), whose sum is σ = 655351872. Its totient is φ = 491513892.

The previous prime is 573432877. The next prime is 573432887. The reversal of 573432881 is 188234375.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 573432881 - 2² = 573432877 is a prime.

It is a super-2 number, since 2×573432881² = 657650538023920322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (573432887) 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, 40959485 + ... + 40959498.

It is an arithmetic number, because the mean of its divisors is an integer number (163837968).

Almost surely, 2^573432881 is an apocalyptic number.

It is an amenable number.

573432881 is a deficient number, since it is larger than the sum of its proper divisors (81918991).

573432881 is an equidigital number, since it uses as much as digits as its factorization.

573432881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81918990.

The product of its digits is 161280, while the sum is 41.

The square root of 573432881 is about 23946.4586317059. The cubic root of 573432881 is about 830.7956182829.

The spelling of 573432881 in words is "five hundred seventy-three million, four hundred thirty-two thousand, eight hundred eighty-one".