326304855361 has 3 divisors (see below), whose sum is σ = 326305426593. Its totient is φ = 326304284130.

The previous prime is 326304855337. The next prime is 326304855367. The reversal of 326304855361 is 163558403623.

The square root of 326304855361 is 571231.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 326304855361 - 2¹¹ = 326304853313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326304855367) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 285616 + ... + 856846.

It is an arithmetic number, because the mean of its divisors is an integer number (108768475531).

Almost surely, 2^326304855361 is an apocalyptic number.

326304855361 is the 571231-st square number.

326304855361 is the 285616-th centered octagonal number.

It is an amenable number.

326304855361 is a deficient number, since it is larger than the sum of its proper divisors (571232).

326304855361 is an frugal number, since it uses more digits than its factorization.

326304855361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142462 (or 571231 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 326304855361 in words is "three hundred twenty-six billion, three hundred four million, eight hundred fifty-five thousand, three hundred sixty-one".