325799821 has 8 divisors (see below), whose sum is σ = 343200320. Its totient is φ = 308424672.

The previous prime is 325799809. The next prime is 325799839. The reversal of 325799821 is 128997523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325799821 is a prime.

It is a super-2 number, since 2×325799821² = 212291046727264082, 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 (325793821) 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 7 ways as a sum of consecutive naturals, for example, 23761 + ... + 34873.

It is an arithmetic number, because the mean of its divisors is an integer number (42900040).

Almost surely, 2^325799821 is an apocalyptic number.

It is an amenable number.

325799821 is a deficient number, since it is larger than the sum of its proper divisors (17400499).

325799821 is a wasteful number, since it uses less digits than its factorization.

325799821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12675.

The product of its digits is 272160, while the sum is 46.

The square root of 325799821 is about 18049.9257893211. The cubic root of 325799821 is about 688.0979760921.

The spelling of 325799821 in words is "three hundred twenty-five million, seven hundred ninety-nine thousand, eight hundred twenty-one".