326156113 has 2 divisors, whose sum is σ = 326156114. Its totient is φ = 326156112.

The previous prime is 326156093. The next prime is 326156119. The reversal of 326156113 is 311651623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324432144 + 1723969 = 18012^2 + 1313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326156113 is a prime.

It is not a weakly prime, because it can be changed into another prime (326156119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163078056 + 163078057.

It is an arithmetic number, because the mean of its divisors is an integer number (163078057).

Almost surely, 2^326156113 is an apocalyptic number.

It is an amenable number.

326156113 is a deficient number, since it is larger than the sum of its proper divisors (1).

326156113 is an equidigital number, since it uses as much as digits as its factorization.

326156113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 326156113 is about 18059.7927175259. The cubic root of 326156113 is about 688.3487174706.

The spelling of 326156113 in words is "three hundred twenty-six million, one hundred fifty-six thousand, one hundred thirteen".