331364625 has 16 divisors (see below), whose sum is σ = 551391360. Its totient is φ = 176727600.

The previous prime is 331364623. The next prime is 331364633. The reversal of 331364625 is 526463133.

It is not a de Polignac number, because 331364625 - 2¹ = 331364623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331364623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441445 + ... + 442194.

It is an arithmetic number, because the mean of its divisors is an integer number (34461960).

Almost surely, 2^331364625 is an apocalyptic number.

It is an amenable number.

331364625 is a deficient number, since it is larger than the sum of its proper divisors (220026735).

331364625 is an equidigital number, since it uses as much as digits as its factorization.

331364625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883657 (or 883647 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 331364625 is about 18203.4234417595. The cubic root of 331364625 is about 691.9935520410.

The spelling of 331364625 in words is "three hundred thirty-one million, three hundred sixty-four thousand, six hundred twenty-five".