326129233 has 2 divisors, whose sum is σ = 326129234. Its totient is φ = 326129232.

The previous prime is 326129203. The next prime is 326129339. The reversal of 326129233 is 332921623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326055249 + 73984 = 18057^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 326129233 - 2²¹ = 324032081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 326129195 and 326129204.

It is not a weakly prime, because it can be changed into another prime (326129203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163064616 + 163064617.

It is an arithmetic number, because the mean of its divisors is an integer number (163064617).

Almost surely, 2^326129233 is an apocalyptic number.

It is an amenable number.

326129233 is a deficient number, since it is larger than the sum of its proper divisors (1).

326129233 is an equidigital number, since it uses as much as digits as its factorization.

326129233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 31.

The square root of 326129233 is about 18059.0485076042. The cubic root of 326129233 is about 688.3298069743.

The spelling of 326129233 in words is "three hundred twenty-six million, one hundred twenty-nine thousand, two hundred thirty-three".