565516051 has 2 divisors, whose sum is σ = 565516052. Its totient is φ = 565516050.

The previous prime is 565516031. The next prime is 565516087. The reversal of 565516051 is 150615565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 565516051 - 2⁹ = 565515539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 565515998 and 565516016.

It is not a weakly prime, because it can be changed into another prime (565516001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282758025 + 282758026.

It is an arithmetic number, because the mean of its divisors is an integer number (282758026).

Almost surely, 2^565516051 is an apocalyptic number.

565516051 is a deficient number, since it is larger than the sum of its proper divisors (1).

565516051 is an equidigital number, since it uses as much as digits as its factorization.

565516051 is an evil number, because the sum of its binary digits is even.

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

The square root of 565516051 is about 23780.5813848190. The cubic root of 565516051 is about 826.9545580886.

The spelling of 565516051 in words is "five hundred sixty-five million, five hundred sixteen thousand, fifty-one".