325025161 has 2 divisors, whose sum is σ = 325025162. Its totient is φ = 325025160.

The previous prime is 325025123. The next prime is 325025179. The reversal of 325025161 is 161520523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170172025 + 154853136 = 13045^2 + 12444^2 .

It is an emirp because it is prime and its reverse (161520523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325025161 - 2²⁷ = 190807433 is a prime.

It is not a weakly prime, because it can be changed into another prime (325025861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162512580 + 162512581.

It is an arithmetic number, because the mean of its divisors is an integer number (162512581).

Almost surely, 2^325025161 is an apocalyptic number.

It is an amenable number.

325025161 is a deficient number, since it is larger than the sum of its proper divisors (1).

325025161 is an equidigital number, since it uses as much as digits as its factorization.

325025161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 325025161 is about 18028.4542043959. The cubic root of 325025161 is about 687.5521756986.

Adding to 325025161 its reverse (161520523), we get a palindrome (486545684).

The spelling of 325025161 in words is "three hundred twenty-five million, twenty-five thousand, one hundred sixty-one".