325242431 has 2 divisors, whose sum is σ = 325242432. Its totient is φ = 325242430.

The previous prime is 325242427. The next prime is 325242439. The reversal of 325242431 is 134242523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325242431 - 2² = 325242427 is a prime.

It is a super-2 number, since 2×325242431² = 211565277845579522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325242431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325242439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162621215 + 162621216.

It is an arithmetic number, because the mean of its divisors is an integer number (162621216).

Almost surely, 2^325242431 is an apocalyptic number.

325242431 is a deficient number, since it is larger than the sum of its proper divisors (1).

325242431 is an equidigital number, since it uses as much as digits as its factorization.

325242431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 26.

The square root of 325242431 is about 18034.4789500556. The cubic root of 325242431 is about 687.7053445453.

Adding to 325242431 its reverse (134242523), we get a palindrome (459484954).

The spelling of 325242431 in words is "three hundred twenty-five million, two hundred forty-two thousand, four hundred thirty-one".