507165563 has 2 divisors, whose sum is σ = 507165564. Its totient is φ = 507165562.

The previous prime is 507165559. The next prime is 507165647. The reversal of 507165563 is 365561705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 507165563 - 2² = 507165559 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (507165523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253582781 + 253582782.

It is an arithmetic number, because the mean of its divisors is an integer number (253582782).

Almost surely, 2^507165563 is an apocalyptic number.

507165563 is a deficient number, since it is larger than the sum of its proper divisors (1).

507165563 is an equidigital number, since it uses as much as digits as its factorization.

507165563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 507165563 is about 22520.3366537892. The cubic root of 507165563 is about 797.4740972251.

The spelling of 507165563 in words is "five hundred seven million, one hundred sixty-five thousand, five hundred sixty-three".