325665611 has 2 divisors, whose sum is σ = 325665612. Its totient is φ = 325665610.

The previous prime is 325665589. The next prime is 325665623. The reversal of 325665611 is 116566523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 325665611 - 2²² = 321471307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (325665631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162832805 + 162832806.

It is an arithmetic number, because the mean of its divisors is an integer number (162832806).

Almost surely, 2^325665611 is an apocalyptic number.

325665611 is a deficient number, since it is larger than the sum of its proper divisors (1).

325665611 is an equidigital number, since it uses as much as digits as its factorization.

325665611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 325665611 is about 18046.2076625534. The cubic root of 325665611 is about 688.0034780731.

The spelling of 325665611 in words is "three hundred twenty-five million, six hundred sixty-five thousand, six hundred eleven".