325625617 has 4 divisors (see below), whose sum is σ = 327508020. Its totient is φ = 323743216.

The previous prime is 325625609. The next prime is 325625621. The reversal of 325625617 is 716526523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 716526523 = 17 ⋅42148619.

It can be written as a sum of positive squares in 2 ways, for example, as 312016896 + 13608721 = 17664^2 + 3689^2 .

It is a cyclic number.

It is not a de Polignac number, because 325625617 - 2³ = 325625609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325625687) 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 in 3 ways as a sum of consecutive naturals, for example, 940942 + ... + 941287.

It is an arithmetic number, because the mean of its divisors is an integer number (81877005).

Almost surely, 2^325625617 is an apocalyptic number.

It is an amenable number.

325625617 is a deficient number, since it is larger than the sum of its proper divisors (1882403).

325625617 is a wasteful number, since it uses less digits than its factorization.

325625617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882402.

The product of its digits is 75600, while the sum is 37.

The square root of 325625617 is about 18045.0995286809. The cubic root of 325625617 is about 687.9753130508.

The spelling of 325625617 in words is "three hundred twenty-five million, six hundred twenty-five thousand, six hundred seventeen".