321494465 has 4 divisors (see below), whose sum is σ = 385793364. Its totient is φ = 257195568.

The previous prime is 321494401. The next prime is 321494471. The reversal of 321494465 is 564494123.

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

It can be written as a sum of positive squares in 2 ways, for example, as 172239376 + 149255089 = 13124^2 + 12217^2 .

It is a cyclic number.

It is not a de Polignac number, because 321494465 - 2⁶ = 321494401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32149442 + ... + 32149451.

It is an arithmetic number, because the mean of its divisors is an integer number (96448341).

Almost surely, 2^321494465 is an apocalyptic number.

It is an amenable number.

321494465 is a deficient number, since it is larger than the sum of its proper divisors (64298899).

321494465 is an equidigital number, since it uses as much as digits as its factorization.

321494465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64298898.

The product of its digits is 103680, while the sum is 38.

The square root of 321494465 is about 17930.2667297506. The cubic root of 321494465 is about 685.0535166954.

It can be divided in two parts, 3214 and 94465, that added together give a palindrome (97679).

The spelling of 321494465 in words is "three hundred twenty-one million, four hundred ninety-four thousand, four hundred sixty-five".