331982825 has 12 divisors (see below), whose sum is σ = 412153308. Its totient is φ = 265267200.

The previous prime is 331982803. The next prime is 331982843. The reversal of 331982825 is 528289133.

It can be written as a sum of positive squares in 6 ways, for example, as 34351321 + 297631504 = 5861^2 + 17252^2 .

It is not a de Polignac number, because 331982825 - 2²⁰ = 330934249 is a prime.

It is a super-2 number, since 2×331982825² = 220425192189961250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14489 + ... + 29561.

It is an arithmetic number, because the mean of its divisors is an integer number (34346109).

Almost surely, 2^331982825 is an apocalyptic number.

It is an amenable number.

331982825 is a deficient number, since it is larger than the sum of its proper divisors (80170483).

331982825 is a wasteful number, since it uses less digits than its factorization.

331982825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15964 (or 15959 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 331982825 is about 18220.3958519018. The cubic root of 331982825 is about 692.4236167147.

The spelling of 331982825 in words is "three hundred thirty-one million, nine hundred eighty-two thousand, eight hundred twenty-five".