465165131 has 4 divisors (see below), whose sum is σ = 476510664. Its totient is φ = 453819600.

The previous prime is 465165109. The next prime is 465165139. The reversal of 465165131 is 131561564.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 465165131 - 2¹⁸ = 464902987 is a prime.

It is a super-2 number, since 2×465165131² = 432757198196494322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465165139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5672705 + ... + 5672786.

It is an arithmetic number, because the mean of its divisors is an integer number (119127666).

Almost surely, 2^465165131 is an apocalyptic number.

465165131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

465165131 is a deficient number, since it is larger than the sum of its proper divisors (11345533).

465165131 is a wasteful number, since it uses less digits than its factorization.

465165131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11345532.

The product of its digits is 10800, while the sum is 32.

The square root of 465165131 is about 21567.6871963593. The cubic root of 465165131 is about 774.8227862585.

The spelling of 465165131 in words is "four hundred sixty-five million, one hundred sixty-five thousand, one hundred thirty-one".