325312657493 has 2 divisors, whose sum is σ = 325312657494. Its totient is φ = 325312657492.

The previous prime is 325312657459. The next prime is 325312657567. The reversal of 325312657493 is 394756213523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324926220529 + 386436964 = 570023^2 + 19658^2 .

It is a cyclic number.

It is not a de Polignac number, because 325312657493 - 2¹⁴ = 325312641109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325312657093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162656328746 + 162656328747.

It is an arithmetic number, because the mean of its divisors is an integer number (162656328747).

Almost surely, 2^325312657493 is an apocalyptic number.

It is an amenable number.

325312657493 is a deficient number, since it is larger than the sum of its proper divisors (1).

325312657493 is an equidigital number, since it uses as much as digits as its factorization.

325312657493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 50.

The spelling of 325312657493 in words is "three hundred twenty-five billion, three hundred twelve million, six hundred fifty-seven thousand, four hundred ninety-three".