325633081 has 2 divisors, whose sum is σ = 325633082. Its totient is φ = 325633080.

The previous prime is 325633043. The next prime is 325633097. The reversal of 325633081 is 180336523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314743081 + 10890000 = 17741^2 + 3300^2 .

It is an emirp because it is prime and its reverse (180336523) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325633081 is a prime.

It is a super-2 number, since 2×325633081² = 212073806883105122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (325631081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162816540 + 162816541.

It is an arithmetic number, because the mean of its divisors is an integer number (162816541).

Almost surely, 2^325633081 is an apocalyptic number.

It is an amenable number.

325633081 is a deficient number, since it is larger than the sum of its proper divisors (1).

325633081 is an equidigital number, since it uses as much as digits as its factorization.

325633081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 325633081 is about 18045.3063426477. The cubic root of 325633081 is about 687.9805696074.

The spelling of 325633081 in words is "three hundred twenty-five million, six hundred thirty-three thousand, eighty-one".