465998531 has 2 divisors, whose sum is σ = 465998532. Its totient is φ = 465998530.

The previous prime is 465998527. The next prime is 465998537. The reversal of 465998531 is 135899564.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 465998531 - 2² = 465998527 is a prime.

It is a super-2 number, since 2×465998531² = 434309261788315922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 465998531.

It is not a weakly prime, because it can be changed into another prime (465998537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232999265 + 232999266.

It is an arithmetic number, because the mean of its divisors is an integer number (232999266).

Almost surely, 2^465998531 is an apocalyptic number.

465998531 is a deficient number, since it is larger than the sum of its proper divisors (1).

465998531 is an equidigital number, since it uses as much as digits as its factorization.

465998531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The square root of 465998531 is about 21586.9991198406. Note that the first 3 decimals coincide. The cubic root of 465998531 is about 775.2852399919.

The spelling of 465998531 in words is "four hundred sixty-five million, nine hundred ninety-eight thousand, five hundred thirty-one".