325889999 has 4 divisors (see below), whose sum is σ = 331232520. Its totient is φ = 320547480.

The previous prime is 325889989. The next prime is 325890041. The reversal of 325889999 is 999988523.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 325889999 - 2⁸ = 325889743 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 (325889909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2671169 + ... + 2671290.

It is an arithmetic number, because the mean of its divisors is an integer number (82808130).

Almost surely, 2^325889999 is an apocalyptic number.

325889999 is a deficient number, since it is larger than the sum of its proper divisors (5342521).

325889999 is an equidigital number, since it uses as much as digits as its factorization.

325889999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342520.

The product of its digits is 12597120, while the sum is 62.

The square root of 325889999 is about 18052.4236322993. The cubic root of 325889999 is about 688.1614563553.

The spelling of 325889999 in words is "three hundred twenty-five million, eight hundred eighty-nine thousand, nine hundred ninety-nine".