465897081 has 32 divisors (see below), whose sum is σ = 723264640. Its totient is φ = 264259584.

The previous prime is 465897071. The next prime is 465897097. The reversal of 465897081 is 180798564.

It is not a de Polignac number, because 465897081 - 2⁶ = 465897017 is a prime.

It is a super-2 number, since 2×465897081² = 434120180168641122, 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 465897081.

It is not an unprimeable number, because it can be changed into a prime (465897001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18921 + ... + 35913.

It is an arithmetic number, because the mean of its divisors is an integer number (22602020).

Almost surely, 2^465897081 is an apocalyptic number.

It is an amenable number.

465897081 is a deficient number, since it is larger than the sum of its proper divisors (257367559).

465897081 is a wasteful number, since it uses less digits than its factorization.

465897081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17065.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 465897081 is about 21584.6491979833. The cubic root of 465897081 is about 775.2289748675.

The spelling of 465897081 in words is "four hundred sixty-five million, eight hundred ninety-seven thousand, eighty-one".