325668819 has 16 divisors (see below), whose sum is σ = 497011968. Its totient is φ = 185813472.

The previous prime is 325668817. The next prime is 325668821. The reversal of 325668819 is 918866523.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (325668817) and next prime (325668821).

It is not a de Polignac number, because 325668819 - 2¹ = 325668817 is a prime.

It is a super-2 number, since 2×325668819² = 212120359337709522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (325668817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2764 + ... + 25670.

It is an arithmetic number, because the mean of its divisors is an integer number (31063248).

Almost surely, 2^325668819 is an apocalyptic number.

325668819 is a deficient number, since it is larger than the sum of its proper divisors (171343149).

325668819 is a wasteful number, since it uses less digits than its factorization.

325668819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23594.

The product of its digits is 622080, while the sum is 48.

The square root of 325668819 is about 18046.2965452749. The cubic root of 325668819 is about 688.0057371468.

The spelling of 325668819 in words is "three hundred twenty-five million, six hundred sixty-eight thousand, eight hundred nineteen".