573045691 has 4 divisors (see below), whose sum is σ = 573571072. Its totient is φ = 572520312.

The previous prime is 573045661. The next prime is 573045731. The reversal of 573045691 is 196540375.

573045691 is nontrivially palindromic in base 3.

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

It is a cyclic number.

It is not a de Polignac number, because 573045691 - 2⁵ = 573045659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (573045601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261051 + ... + 263236.

It is an arithmetic number, because the mean of its divisors is an integer number (143392768).

Almost surely, 2^573045691 is an apocalyptic number.

573045691 is a deficient number, since it is larger than the sum of its proper divisors (525381).

573045691 is a wasteful number, since it uses less digits than its factorization.

573045691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525380.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 573045691 is about 23938.3727726009. The cubic root of 573045691 is about 830.6085878601.

The spelling of 573045691 in words is "five hundred seventy-three million, forty-five thousand, six hundred ninety-one".