325131641 has 2 divisors, whose sum is σ = 325131642. Its totient is φ = 325131640.

The previous prime is 325131619. The next prime is 325131661. The reversal of 325131641 is 146131523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254083600 + 71048041 = 15940^2 + 8429^2 .

It is a cyclic number.

It is not a de Polignac number, because 325131641 - 2⁶ = 325131577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325131641.

It is not a weakly prime, because it can be changed into another prime (325131661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162565820 + 162565821.

It is an arithmetic number, because the mean of its divisors is an integer number (162565821).

Almost surely, 2^325131641 is an apocalyptic number.

It is an amenable number.

325131641 is a deficient number, since it is larger than the sum of its proper divisors (1).

325131641 is an equidigital number, since it uses as much as digits as its factorization.

325131641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 325131641 is about 18031.4070721062. The cubic root of 325131641 is about 687.6272494377.

The spelling of 325131641 in words is "three hundred twenty-five million, one hundred thirty-one thousand, six hundred forty-one".