565601613 has 4 divisors (see below), whose sum is σ = 754135488. Its totient is φ = 377067740.

The previous prime is 565601593. The next prime is 565601629. The reversal of 565601613 is 316106565.

565601613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 565601613 - 2⁸ = 565601357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565601693) 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, 94266933 + ... + 94266938.

It is an arithmetic number, because the mean of its divisors is an integer number (188533872).

Almost surely, 2^565601613 is an apocalyptic number.

It is an amenable number.

565601613 is a deficient number, since it is larger than the sum of its proper divisors (188533875).

565601613 is a wasteful number, since it uses less digits than its factorization.

565601613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188533874.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 565601613 is about 23782.3803055960. The cubic root of 565601613 is about 826.9962617783.

The spelling of 565601613 in words is "five hundred sixty-five million, six hundred one thousand, six hundred thirteen".