325555163 has 2 divisors, whose sum is σ = 325555164. Its totient is φ = 325555162.

The previous prime is 325555159. The next prime is 325555169. The reversal of 325555163 is 361555523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325555163 - 2² = 325555159 is a prime.

It is not a weakly prime, because it can be changed into another prime (325555169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162777581 + 162777582.

It is an arithmetic number, because the mean of its divisors is an integer number (162777582).

Almost surely, 2^325555163 is an apocalyptic number.

325555163 is a deficient number, since it is larger than the sum of its proper divisors (1).

325555163 is an equidigital number, since it uses as much as digits as its factorization.

325555163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67500, while the sum is 35.

The square root of 325555163 is about 18043.1472587240. The cubic root of 325555163 is about 687.9256915362.

The spelling of 325555163 in words is "three hundred twenty-five million, five hundred fifty-five thousand, one hundred sixty-three".