465515231 has 2 divisors, whose sum is σ = 465515232. Its totient is φ = 465515230.

The previous prime is 465515209. The next prime is 465515273. The reversal of 465515231 is 132515564.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 465515231 - 2¹⁰ = 465514207 is a prime.

It is a super-2 number, since 2×465515231² = 433408860585966722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465515431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232757615 + 232757616.

It is an arithmetic number, because the mean of its divisors is an integer number (232757616).

Almost surely, 2^465515231 is an apocalyptic number.

465515231 is a deficient number, since it is larger than the sum of its proper divisors (1).

465515231 is an equidigital number, since it uses as much as digits as its factorization.

465515231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 32.

The square root of 465515231 is about 21575.8019781421. The cubic root of 465515231 is about 775.0171240060.

The spelling of 465515231 in words is "four hundred sixty-five million, five hundred fifteen thousand, two hundred thirty-one".