325978919 has 24 divisors (see below), whose sum is σ = 397398528. Its totient is φ = 266278320.

The previous prime is 325978903. The next prime is 325978957. The reversal of 325978919 is 919879523.

It is not a de Polignac number, because 325978919 - 2⁴ = 325978903 is a prime.

It is a super-2 number, since 2×325978919² = 212524511264817122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325978969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100172 + ... + 103374.

It is an arithmetic number, because the mean of its divisors is an integer number (16558272).

Almost surely, 2^325978919 is an apocalyptic number.

325978919 is a deficient number, since it is larger than the sum of its proper divisors (71419609).

325978919 is a wasteful number, since it uses less digits than its factorization.

325978919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315 (or 3308 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 53.

The square root of 325978919 is about 18054.8862915278. The cubic root of 325978919 is about 688.2240395913.

The spelling of 325978919 in words is "three hundred twenty-five million, nine hundred seventy-eight thousand, nine hundred nineteen".