465634561 has 8 divisors (see below), whose sum is σ = 538133760. Its totient is φ = 394630368.

The previous prime is 465634541. The next prime is 465634591. The reversal of 465634561 is 165436564.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 465634561 - 2²¹ = 463537409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465634511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373081 + ... + 374326.

It is an arithmetic number, because the mean of its divisors is an integer number (67266720).

Almost surely, 2^465634561 is an apocalyptic number.

It is an amenable number.

465634561 is a deficient number, since it is larger than the sum of its proper divisors (72499199).

465634561 is an equidigital number, since it uses as much as digits as its factorization.

465634561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747503.

The product of its digits is 259200, while the sum is 40.

The square root of 465634561 is about 21578.5671674465. The cubic root of 465634561 is about 775.0833408814.

The spelling of 465634561 in words is "four hundred sixty-five million, six hundred thirty-four thousand, five hundred sixty-one".