325641431 has 2 divisors, whose sum is σ = 325641432. Its totient is φ = 325641430.

The previous prime is 325641419. The next prime is 325641457. The reversal of 325641431 is 134146523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325641431 - 2⁶ = 325641367 is a prime.

It is a super-2 number, since 2×325641431² = 212084683167455522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 325641394 and 325641403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325601431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162820715 + 162820716.

It is an arithmetic number, because the mean of its divisors is an integer number (162820716).

Almost surely, 2^325641431 is an apocalyptic number.

325641431 is a deficient number, since it is larger than the sum of its proper divisors (1).

325641431 is an equidigital number, since it uses as much as digits as its factorization.

325641431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 325641431 is about 18045.5377032661. The cubic root of 325641431 is about 687.9864500385.

Adding to 325641431 its reverse (134146523), we get a palindrome (459787954).

The spelling of 325641431 in words is "three hundred twenty-five million, six hundred forty-one thousand, four hundred thirty-one".