326901397 has 2 divisors, whose sum is σ = 326901398. Its totient is φ = 326901396.

The previous prime is 326901301. The next prime is 326901431. The reversal of 326901397 is 793109623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174477681 + 152423716 = 13209^2 + 12346^2 .

It is an emirp because it is prime and its reverse (793109623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 326901397 - 2²⁷ = 192683669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326901797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163450698 + 163450699.

It is an arithmetic number, because the mean of its divisors is an integer number (163450699).

Almost surely, 2^326901397 is an apocalyptic number.

It is an amenable number.

326901397 is a deficient number, since it is larger than the sum of its proper divisors (1).

326901397 is an equidigital number, since it uses as much as digits as its factorization.

326901397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 326901397 is about 18080.4147352875. The cubic root of 326901397 is about 688.8726230531.

The spelling of 326901397 in words is "three hundred twenty-six million, nine hundred one thousand, three hundred ninety-seven".