565115601 has 4 divisors (see below), whose sum is σ = 753487472. Its totient is φ = 376743732.

The previous prime is 565115597. The next prime is 565115611. The reversal of 565115601 is 106511565.

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 not a de Polignac number, because 565115601 - 2² = 565115597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565115611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94185931 + ... + 94185936.

It is an arithmetic number, because the mean of its divisors is an integer number (188371868).

Almost surely, 2^565115601 is an apocalyptic number.

It is an amenable number.

565115601 is a deficient number, since it is larger than the sum of its proper divisors (188371871).

565115601 is a wasteful number, since it uses less digits than its factorization.

565115601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188371870.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 565115601 is about 23772.1602089503. The cubic root of 565115601 is about 826.7593192161.

The spelling of 565115601 in words is "five hundred sixty-five million, one hundred fifteen thousand, six hundred one".