325806731 has 2 divisors, whose sum is σ = 325806732. Its totient is φ = 325806730.

The previous prime is 325806727. The next prime is 325806739. The reversal of 325806731 is 137608523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325806731 - 2² = 325806727 is a prime.

It is a super-2 number, since 2×325806731² = 212300051929812722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 325806691 and 325806700.

It is not a weakly prime, because it can be changed into another prime (325806739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162903365 + 162903366.

It is an arithmetic number, because the mean of its divisors is an integer number (162903366).

Almost surely, 2^325806731 is an apocalyptic number.

325806731 is a deficient number, since it is larger than the sum of its proper divisors (1).

325806731 is an equidigital number, since it uses as much as digits as its factorization.

325806731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 325806731 is about 18050.1172018356. The cubic root of 325806731 is about 688.1028407596.

The spelling of 325806731 in words is "three hundred twenty-five million, eight hundred six thousand, seven hundred thirty-one".