326297313 has 12 divisors (see below), whose sum is σ = 472443348. Its totient is φ = 217012320.

The previous prime is 326297273. The next prime is 326297329. The reversal of 326297313 is 313792623.

It can be written as a sum of positive squares in 2 ways, for example, as 567009 + 325730304 = 753^2 + 18048^2 .

It is not a de Polignac number, because 326297313 - 2¹² = 326293217 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (326297513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39270 + ... + 46847.

It is an arithmetic number, because the mean of its divisors is an integer number (39370279).

Almost surely, 2^326297313 is an apocalyptic number.

It is an amenable number.

326297313 is a deficient number, since it is larger than the sum of its proper divisors (146146035).

326297313 is a wasteful number, since it uses less digits than its factorization.

326297313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86544 (or 86541 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 326297313 is about 18063.7015309709. The cubic root of 326297313 is about 688.4480367970.

The spelling of 326297313 in words is "three hundred twenty-six million, two hundred ninety-seven thousand, three hundred thirteen".