325504889 has 4 divisors (see below), whose sum is σ = 325926756. Its totient is φ = 325083024.

The previous prime is 325504871. The next prime is 325504943. The reversal of 325504889 is 988405523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62805625 + 262699264 = 7925^2 + 16208^2 .

It is a cyclic number.

It is not a de Polignac number, because 325504889 - 2⁸ = 325504633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325504189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209774 + ... + 211319.

It is an arithmetic number, because the mean of its divisors is an integer number (81481689).

Almost surely, 2^325504889 is an apocalyptic number.

It is an amenable number.

325504889 is a deficient number, since it is larger than the sum of its proper divisors (421867).

325504889 is an equidigital number, since it uses as much as digits as its factorization.

325504889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421866.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 325504889 is about 18041.7540444381. The cubic root of 325504889 is about 687.8902786369.

The spelling of 325504889 in words is "three hundred twenty-five million, five hundred four thousand, eight hundred eighty-nine".