465998563 has 2 divisors, whose sum is σ = 465998564. Its totient is φ = 465998562.

The previous prime is 465998557. The next prime is 465998567. The reversal of 465998563 is 365899564.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 465998563 - 2⁵ = 465998531 is a prime.

It is not a weakly prime, because it can be changed into another prime (465998567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232999281 + 232999282.

It is an arithmetic number, because the mean of its divisors is an integer number (232999282).

Almost surely, 2^465998563 is an apocalyptic number.

465998563 is a deficient number, since it is larger than the sum of its proper divisors (1).

465998563 is an equidigital number, since it uses as much as digits as its factorization.

465998563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6998400, while the sum is 55.

The square root of 465998563 is about 21586.9998610275. Note that the first 3 decimals coincide. The cubic root of 465998563 is about 775.2852577382.

The spelling of 465998563 in words is "four hundred sixty-five million, nine hundred ninety-eight thousand, five hundred sixty-three".