325655431 has 2 divisors, whose sum is σ = 325655432. Its totient is φ = 325655430.

The previous prime is 325655419. The next prime is 325655437. The reversal of 325655431 is 134556523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 325655431 - 2⁵ = 325655399 is a prime.

It is a super-2 number, since 2×325655431² = 212102919479591522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325655437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162827715 + 162827716.

It is an arithmetic number, because the mean of its divisors is an integer number (162827716).

Almost surely, 2^325655431 is an apocalyptic number.

325655431 is a deficient number, since it is larger than the sum of its proper divisors (1).

325655431 is an equidigital number, since it uses as much as digits as its factorization.

325655431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 34.

The square root of 325655431 is about 18045.9256066293. The cubic root of 325655431 is about 687.9963092183.

The spelling of 325655431 in words is "three hundred twenty-five million, six hundred fifty-five thousand, four hundred thirty-one".