325928399 has 4 divisors (see below), whose sum is σ = 326457264. Its totient is φ = 325399536.

The previous prime is 325928381. The next prime is 325928417. The reversal of 325928399 is 993829523.

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

It is an interprime number because it is at equal distance from previous prime (325928381) and next prime (325928417).

It is a cyclic number.

It is not a de Polignac number, because 325928399 - 2²⁸ = 57492943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325928599) 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 3 ways as a sum of consecutive naturals, for example, 263507 + ... + 264740.

It is an arithmetic number, because the mean of its divisors is an integer number (81614316).

Almost surely, 2^325928399 is an apocalyptic number.

325928399 is a deficient number, since it is larger than the sum of its proper divisors (528865).

325928399 is an equidigital number, since it uses as much as digits as its factorization.

325928399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528864.

The product of its digits is 1049760, while the sum is 50.

The square root of 325928399 is about 18053.4871700733. The cubic root of 325928399 is about 688.1884842504.

The spelling of 325928399 in words is "three hundred twenty-five million, nine hundred twenty-eight thousand, three hundred ninety-nine".