326279117 has 2 divisors, whose sum is σ = 326279118. Its totient is φ = 326279116.

The previous prime is 326279101. The next prime is 326279143. The reversal of 326279117 is 711972623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185477161 + 140801956 = 13619^2 + 11866^2 .

It is a cyclic number.

It is not a de Polignac number, because 326279117 - 2⁴ = 326279101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326279017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163139558 + 163139559.

It is an arithmetic number, because the mean of its divisors is an integer number (163139559).

Almost surely, 2^326279117 is an apocalyptic number.

It is an amenable number.

326279117 is a deficient number, since it is larger than the sum of its proper divisors (1).

326279117 is an equidigital number, since it uses as much as digits as its factorization.

326279117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 38.

The square root of 326279117 is about 18063.1978619512. The cubic root of 326279117 is about 688.4352394362.

The spelling of 326279117 in words is "three hundred twenty-six million, two hundred seventy-nine thousand, one hundred seventeen".