326742953 has 2 divisors, whose sum is σ = 326742954. Its totient is φ = 326742952.

The previous prime is 326742937. The next prime is 326742961. The reversal of 326742953 is 359247623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250652224 + 76090729 = 15832^2 + 8723^2 .

It is a cyclic number.

It is not a de Polignac number, because 326742953 - 2⁴ = 326742937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 326742953.

It is not a weakly prime, because it can be changed into another prime (326742553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163371476 + 163371477.

It is an arithmetic number, because the mean of its divisors is an integer number (163371477).

Almost surely, 2^326742953 is an apocalyptic number.

It is an amenable number.

326742953 is a deficient number, since it is larger than the sum of its proper divisors (1).

326742953 is an equidigital number, since it uses as much as digits as its factorization.

326742953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 41.

The square root of 326742953 is about 18076.0325569523. The cubic root of 326742953 is about 688.7613098012.

The spelling of 326742953 in words is "three hundred twenty-six million, seven hundred forty-two thousand, nine hundred fifty-three".