465281 has 2 divisors, whose sum is σ = 465282. Its totient is φ = 465280.

The previous prime is 465277. The next prime is 465293. The reversal of 465281 is 182564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336400 + 128881 = 580^2 + 359^2 .

It is a cyclic number.

It is not a de Polignac number, because 465281 - 2² = 465277 is a prime.

It is a super-2 number, since 2×465281² = 432972817922, 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 465281.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 465281.

It is not a weakly prime, because it can be changed into another prime (465211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232640 + 232641.

It is an arithmetic number, because the mean of its divisors is an integer number (232641).

2⁴⁶⁵²⁸¹ is an apocalyptic number.

It is an amenable number.

465281 is a deficient number, since it is larger than the sum of its proper divisors (1).

465281 is an equidigital number, since it uses as much as digits as its factorization.

465281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 465281 is about 682.1150929279. The cubic root of 465281 is about 77.4887115018.

The spelling of 465281 in words is "four hundred sixty-five thousand, two hundred eighty-one".