326225288651 has 2 divisors, whose sum is σ = 326225288652. Its totient is φ = 326225288650.

The previous prime is 326225288647. The next prime is 326225288681. The reversal of 326225288651 is 156882522623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 326225288651 - 2² = 326225288647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 326225288651.

It is not a weakly prime, because it can be changed into another prime (326225288621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163112644325 + 163112644326.

It is an arithmetic number, because the mean of its divisors is an integer number (163112644326).

Almost surely, 2^326225288651 is an apocalyptic number.

326225288651 is a deficient number, since it is larger than the sum of its proper divisors (1).

326225288651 is an equidigital number, since it uses as much as digits as its factorization.

326225288651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 50.

The spelling of 326225288651 in words is "three hundred twenty-six billion, two hundred twenty-five million, two hundred eighty-eight thousand, six hundred fifty-one".