326331617 has 2 divisors, whose sum is σ = 326331618. Its totient is φ = 326331616.

The previous prime is 326331569. The next prime is 326331619. The reversal of 326331617 is 716133623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 326019136 + 312481 = 18056^2 + 559^2 .

It is an emirp because it is prime and its reverse (716133623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 326331617 - 2⁶ = 326331553 is a prime.

Together with 326331619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (326331619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163165808 + 163165809.

It is an arithmetic number, because the mean of its divisors is an integer number (163165809).

Almost surely, 2^326331617 is an apocalyptic number.

It is an amenable number.

326331617 is a deficient number, since it is larger than the sum of its proper divisors (1).

326331617 is an equidigital number, since it uses as much as digits as its factorization.

326331617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

The square root of 326331617 is about 18064.6510345481. The cubic root of 326331617 is about 688.4721617213.

The spelling of 326331617 in words is "three hundred twenty-six million, three hundred thirty-one thousand, six hundred seventeen".