465521 has 8 divisors (see below), whose sum is σ = 539904. Its totient is φ = 393120.

The previous prime is 465469. The next prime is 465523. The reversal of 465521 is 125564.

465521 is nontrivially palindromic in base 8.

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

It is a de Polignac number, because none of the positive numbers 2^k-465521 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 465521.

It is not an unprimeable number, because it can be changed into a prime (465523) 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, 56 + ... + 966.

It is an arithmetic number, because the mean of its divisors is an integer number (67488).

2⁴⁶⁵⁵²¹ is an apocalyptic number.

It is an amenable number.

465521 is a deficient number, since it is larger than the sum of its proper divisors (74383).

465521 is an equidigital number, since it uses as much as digits as its factorization.

465521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991.

The product of its digits is 1200, while the sum is 23.

The square root of 465521 is about 682.2909936383. The cubic root of 465521 is about 77.5020325516.

The spelling of 465521 in words is "four hundred sixty-five thousand, five hundred twenty-one".