573057421 has 4 divisors (see below), whose sum is σ = 573285312. Its totient is φ = 572829532.

The previous prime is 573057391. The next prime is 573057467. The reversal of 573057421 is 124750375.

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 573057421 - 2⁷ = 573057293 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 (573057521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110131 + ... + 115216.

It is an arithmetic number, because the mean of its divisors is an integer number (143321328).

Almost surely, 2^573057421 is an apocalyptic number.

It is an amenable number.

573057421 is a deficient number, since it is larger than the sum of its proper divisors (227891).

573057421 is a wasteful number, since it uses less digits than its factorization.

573057421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227890.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 573057421 is about 23938.6177754690. The cubic root of 573057421 is about 830.6142552222.

The spelling of 573057421 in words is "five hundred seventy-three million, fifty-seven thousand, four hundred twenty-one".