326552257 has 2 divisors, whose sum is σ = 326552258. Its totient is φ = 326552256.

The previous prime is 326552227. The next prime is 326552263. The reversal of 326552257 is 752255623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194853681 + 131698576 = 13959^2 + 11476^2 .

It is a cyclic number.

It is not a de Polignac number, because 326552257 - 2¹⁹ = 326027969 is a prime.

It is not a weakly prime, because it can be changed into another prime (326552227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163276128 + 163276129.

It is an arithmetic number, because the mean of its divisors is an integer number (163276129).

Almost surely, 2^326552257 is an apocalyptic number.

It is an amenable number.

326552257 is a deficient number, since it is larger than the sum of its proper divisors (1).

326552257 is an equidigital number, since it uses as much as digits as its factorization.

326552257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126000, while the sum is 37.

The square root of 326552257 is about 18070.7569570287. The cubic root of 326552257 is about 688.6272904997.

The spelling of 326552257 in words is "three hundred twenty-six million, five hundred fifty-two thousand, two hundred fifty-seven".