465455621 has 4 divisors (see below), whose sum is σ = 466137792. Its totient is φ = 464773452.

The previous prime is 465455611. The next prime is 465455659. The reversal of 465455621 is 126554564.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465455621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465455611) 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, 340061 + ... + 341426.

It is an arithmetic number, because the mean of its divisors is an integer number (116534448).

Almost surely, 2^465455621 is an apocalyptic number.

It is an amenable number.

465455621 is a deficient number, since it is larger than the sum of its proper divisors (682171).

465455621 is an equidigital number, since it uses as much as digits as its factorization.

465455621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682170.

The product of its digits is 144000, while the sum is 38.

The square root of 465455621 is about 21574.4205252424. The cubic root of 465455621 is about 774.9840418497.

The spelling of 465455621 in words is "four hundred sixty-five million, four hundred fifty-five thousand, six hundred twenty-one".