325131217 has 2 divisors, whose sum is σ = 325131218. Its totient is φ = 325131216.

The previous prime is 325131199. The next prime is 325131263. The reversal of 325131217 is 712131523.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280093696 + 45037521 = 16736^2 + 6711^2 .

It is a cyclic number.

It is not a de Polignac number, because 325131217 - 2⁷ = 325131089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 325131191 and 325131200.

It is not a weakly prime, because it can be changed into another prime (325131017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162565608 + 162565609.

It is an arithmetic number, because the mean of its divisors is an integer number (162565609).

Almost surely, 2^325131217 is an apocalyptic number.

It is an amenable number.

325131217 is a deficient number, since it is larger than the sum of its proper divisors (1).

325131217 is an equidigital number, since it uses as much as digits as its factorization.

325131217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 25.

The square root of 325131217 is about 18031.3953148391. The cubic root of 325131217 is about 687.6269505289.

The spelling of 325131217 in words is "three hundred twenty-five million, one hundred thirty-one thousand, two hundred seventeen".