573652421 has 4 divisors (see below), whose sum is σ = 575150592. Its totient is φ = 572154252.

The previous prime is 573652411. The next prime is 573652463. The reversal of 573652421 is 124256375.

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 a de Polignac number, because none of the positive numbers 2^k-573652421 is a prime.

It is a super-2 number, since 2×573652421² = 658154200238322482, 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 (573652411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748511 + ... + 749276.

It is an arithmetic number, because the mean of its divisors is an integer number (143787648).

Almost surely, 2^573652421 is an apocalyptic number.

It is an amenable number.

573652421 is a deficient number, since it is larger than the sum of its proper divisors (1498171).

573652421 is a wasteful number, since it uses less digits than its factorization.

573652421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498170.

The product of its digits is 50400, while the sum is 35.

The square root of 573652421 is about 23951.0421693921. The cubic root of 573652421 is about 830.9016287127.

The spelling of 573652421 in words is "five hundred seventy-three million, six hundred fifty-two thousand, four hundred twenty-one".