326388001 has 2 divisors, whose sum is σ = 326388002. Its totient is φ = 326388000.

The previous prime is 326387983. The next prime is 326388019. The reversal of 326388001 is 100883623.

It is the 7376-th star number.

It is a balanced prime because it is at equal distance from previous prime (326387983) and next prime (326388019).

It can be written as a sum of positive squares in only one way, i.e., 274763776 + 51624225 = 16576^2 + 7185^2 .

It is a cyclic number.

It is not a de Polignac number, because 326388001 - 2¹⁵ = 326355233 is a prime.

It is not a weakly prime, because it can be changed into another prime (326388071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163194000 + 163194001.

It is an arithmetic number, because the mean of its divisors is an integer number (163194001).

Almost surely, 2^326388001 is an apocalyptic number.

It is an amenable number.

326388001 is a deficient number, since it is larger than the sum of its proper divisors (1).

326388001 is an equidigital number, since it uses as much as digits as its factorization.

326388001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 326388001 is about 18066.2115840593. The cubic root of 326388001 is about 688.5118111421.

The spelling of 326388001 in words is "three hundred twenty-six million, three hundred eighty-eight thousand, one".