575356421 has 4 divisors (see below), whose sum is σ = 577544352. Its totient is φ = 573168492.

The previous prime is 575356409. The next prime is 575356429. The reversal of 575356421 is 124653575.

It is a happy number.

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 575356421 - 2²² = 571162117 is a prime.

It is a super-2 number, since 2×575356421² = 662070022371858482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575356429) 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, 1093571 + ... + 1094096.

It is an arithmetic number, because the mean of its divisors is an integer number (144386088).

Almost surely, 2^575356421 is an apocalyptic number.

It is an amenable number.

575356421 is a deficient number, since it is larger than the sum of its proper divisors (2187931).

575356421 is a wasteful number, since it uses less digits than its factorization.

575356421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187930.

The product of its digits is 126000, while the sum is 38.

The square root of 575356421 is about 23986.5883568297. The cubic root of 575356421 is about 831.7235298774.

The spelling of 575356421 in words is "five hundred seventy-five million, three hundred fifty-six thousand, four hundred twenty-one".