325476981 has 24 divisors (see below), whose sum is σ = 490640960. Its totient is φ = 213245352.

The previous prime is 325476929. The next prime is 325476989. The reversal of 325476981 is 189674523.

It is not a de Polignac number, because 325476981 - 2¹⁰ = 325475957 is a prime.

It is a super-2 number, since 2×325476981² = 211870530321748722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325476989) 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, 92256 + ... + 95718.

Almost surely, 2^325476981 is an apocalyptic number.

It is an amenable number.

325476981 is a deficient number, since it is larger than the sum of its proper divisors (165163979).

325476981 is an equidigital number, since it uses as much as digits as its factorization.

325476981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590 (or 3525 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 325476981 is about 18040.9805997346. The cubic root of 325476981 is about 687.8706187268.

The spelling of 325476981 in words is "three hundred twenty-five million, four hundred seventy-six thousand, nine hundred eighty-one".