330912481 has 3 divisors (see below), whose sum is σ = 330930673. Its totient is φ = 330894290.

The previous prime is 330912457. The next prime is 330912487. The reversal of 330912481 is 184219033.

The square root of 330912481 is 18191.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 184219033 = 7753 ⋅23761.

It is not a de Polignac number, because 330912481 - 2⁹ = 330911969 is a prime.

It is a super-2 number, since 2×330912481² = 219006140163150722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330912487) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9096 + ... + 27286.

Almost surely, 2^330912481 is an apocalyptic number.

330912481 is the 18191-st square number.

330912481 is the 9096-th centered octagonal number.

It is an amenable number.

330912481 is a deficient number, since it is larger than the sum of its proper divisors (18192).

330912481 is an frugal number, since it uses more digits than its factorization.

330912481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36382 (or 18191 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The cubic root of 330912481 is about 691.6786691551.

Multiplying 330912481 by its product of nonzero digits (5184), we get a square (1715450301504 = 1309752²).

The spelling of 330912481 in words is "three hundred thirty million, nine hundred twelve thousand, four hundred eighty-one".