325461881 has 2 divisors, whose sum is σ = 325461882. Its totient is φ = 325461880.

The previous prime is 325461863. The next prime is 325461989. The reversal of 325461881 is 188164523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303456400 + 22005481 = 17420^2 + 4691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325461881 is a prime.

It is a super-2 number, since 2×325461881² = 211850871968116322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (325466881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162730940 + 162730941.

It is an arithmetic number, because the mean of its divisors is an integer number (162730941).

Almost surely, 2^325461881 is an apocalyptic number.

It is an amenable number.

325461881 is a deficient number, since it is larger than the sum of its proper divisors (1).

325461881 is an equidigital number, since it uses as much as digits as its factorization.

325461881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 38.

The square root of 325461881 is about 18040.5621032162. The cubic root of 325461881 is about 687.8599809986.

The spelling of 325461881 in words is "three hundred twenty-five million, four hundred sixty-one thousand, eight hundred eighty-one".