465881761 has 4 divisors (see below), whose sum is σ = 465935152. Its totient is φ = 465828372.

The previous prime is 465881747. The next prime is 465881777. The reversal of 465881761 is 167188564.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 465881761 - 2¹⁷ = 465750689 is a prime.

It is a super-2 number, since 2×465881761² = 434091630464922242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465881161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10215 + ... + 32188.

It is an arithmetic number, because the mean of its divisors is an integer number (116483788).

Almost surely, 2^465881761 is an apocalyptic number.

It is an amenable number.

465881761 is a deficient number, since it is larger than the sum of its proper divisors (53391).

465881761 is a wasteful number, since it uses less digits than its factorization.

465881761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53390.

The product of its digits is 322560, while the sum is 46.

The square root of 465881761 is about 21584.2943132269. The cubic root of 465881761 is about 775.2204775416.

It can be divided in two parts, 4658817 and 61, that added together give a triangular number (4658878 = T₃₀₅₂).

The spelling of 465881761 in words is "four hundred sixty-five million, eight hundred eighty-one thousand, seven hundred sixty-one".