325716278773 has 2 divisors, whose sum is σ = 325716278774. Its totient is φ = 325716278772.

The previous prime is 325716278743. The next prime is 325716278791. The reversal of 325716278773 is 377872617523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291143338929 + 34572939844 = 539577^2 + 185938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325716278773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325716278743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162858139386 + 162858139387.

It is an arithmetic number, because the mean of its divisors is an integer number (162858139387).

Almost surely, 2^325716278773 is an apocalyptic number.

It is an amenable number.

325716278773 is a deficient number, since it is larger than the sum of its proper divisors (1).

325716278773 is an equidigital number, since it uses as much as digits as its factorization.

325716278773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20744640, while the sum is 58.

The spelling of 325716278773 in words is "three hundred twenty-five billion, seven hundred sixteen million, two hundred seventy-eight thousand, seven hundred seventy-three".