326030197 has 2 divisors, whose sum is σ = 326030198. Its totient is φ = 326030196.

The previous prime is 326030179. The next prime is 326030203. The reversal of 326030197 is 791030623.

Together with previous prime (326030179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191794801 + 134235396 = 13849^2 + 11586^2 .

It is a cyclic number.

It is not a de Polignac number, because 326030197 - 2²³ = 317641589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326030297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163015098 + 163015099.

It is an arithmetic number, because the mean of its divisors is an integer number (163015099).

Almost surely, 2^326030197 is an apocalyptic number.

It is an amenable number.

326030197 is a deficient number, since it is larger than the sum of its proper divisors (1).

326030197 is an equidigital number, since it uses as much as digits as its factorization.

326030197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 326030197 is about 18056.3062944778. The cubic root of 326030197 is about 688.2601246466.

The spelling of 326030197 in words is "three hundred twenty-six million, thirty thousand, one hundred ninety-seven".