573961613 has 4 divisors (see below), whose sum is σ = 575695968. Its totient is φ = 572227260.

The previous prime is 573961579. The next prime is 573961651. The reversal of 573961613 is 316169375.

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 573961613 - 2⁸ = 573961357 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 (573961673) 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, 866681 + ... + 867342.

It is an arithmetic number, because the mean of its divisors is an integer number (143923992).

Almost surely, 2^573961613 is an apocalyptic number.

It is an amenable number.

573961613 is a deficient number, since it is larger than the sum of its proper divisors (1734355).

573961613 is a wasteful number, since it uses less digits than its factorization.

573961613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734354.

The product of its digits is 102060, while the sum is 41.

The square root of 573961613 is about 23957.4959668159. The cubic root of 573961613 is about 831.0508840132.

The spelling of 573961613 in words is "five hundred seventy-three million, nine hundred sixty-one thousand, six hundred thirteen".