325255639 has 2 divisors, whose sum is σ = 325255640. Its totient is φ = 325255638.

The previous prime is 325255603. The next prime is 325255643. The reversal of 325255639 is 936552523.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325255639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325255649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162627819 + 162627820.

It is an arithmetic number, because the mean of its divisors is an integer number (162627820).

Almost surely, 2^325255639 is an apocalyptic number.

325255639 is a deficient number, since it is larger than the sum of its proper divisors (1).

325255639 is an equidigital number, since it uses as much as digits as its factorization.

325255639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243000, while the sum is 40.

The square root of 325255639 is about 18034.8451337959. The cubic root of 325255639 is about 687.7146535902.

The spelling of 325255639 in words is "three hundred twenty-five million, two hundred fifty-five thousand, six hundred thirty-nine".