325911247 has 2 divisors, whose sum is σ = 325911248. Its totient is φ = 325911246.

The previous prime is 325911239. The next prime is 325911253. The reversal of 325911247 is 742119523.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 325911247 - 2³ = 325911239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325911847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162955623 + 162955624.

It is an arithmetic number, because the mean of its divisors is an integer number (162955624).

Almost surely, 2^325911247 is an apocalyptic number.

325911247 is a deficient number, since it is larger than the sum of its proper divisors (1).

325911247 is an equidigital number, since it uses as much as digits as its factorization.

325911247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 325911247 is about 18053.0121309437. The cubic root of 325911247 is about 688.1764120529.

The spelling of 325911247 in words is "three hundred twenty-five million, nine hundred eleven thousand, two hundred forty-seven".