325223640257 has 2 divisors, whose sum is σ = 325223640258. Its totient is φ = 325223640256.

The previous prime is 325223640229. The next prime is 325223640271. The reversal of 325223640257 is 752046322523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308375859856 + 16847780401 = 555316^2 + 129799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325223640257 is a prime.

It is not a weakly prime, because it can be changed into another prime (325223640227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162611820128 + 162611820129.

It is an arithmetic number, because the mean of its divisors is an integer number (162611820129).

Almost surely, 2^325223640257 is an apocalyptic number.

It is an amenable number.

325223640257 is a deficient number, since it is larger than the sum of its proper divisors (1).

325223640257 is an equidigital number, since it uses as much as digits as its factorization.

325223640257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 41.

The spelling of 325223640257 in words is "three hundred twenty-five billion, two hundred twenty-three million, six hundred forty thousand, two hundred fifty-seven".