565561051 has 8 divisors (see below), whose sum is σ = 617458608. Its totient is φ = 513744000.

The previous prime is 565561037. The next prime is 565561057. The reversal of 565561051 is 150165565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 565561051 - 2⁷ = 565560923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 565560998 and 565561016.

It is not an unprimeable number, because it can be changed into a prime (565561057) 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 7 ways as a sum of consecutive naturals, for example, 4930 + ... + 33991.

It is an arithmetic number, because the mean of its divisors is an integer number (77182326).

Almost surely, 2^565561051 is an apocalyptic number.

565561051 is a deficient number, since it is larger than the sum of its proper divisors (51897557).

565561051 is a wasteful number, since it uses less digits than its factorization.

565561051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40253.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 565561051 is about 23781.5275161206. The cubic root of 565561051 is about 826.9764920184.

The spelling of 565561051 in words is "five hundred sixty-five million, five hundred sixty-one thousand, fifty-one".