330778125 has 72 divisors (see below), whose sum is σ = 629647200. Its totient is φ = 166860000.

The previous prime is 330778121. The next prime is 330778127. The reversal of 330778125 is 521877033.

It is not a de Polignac number, because 330778125 - 2² = 330778121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 330778125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330778121) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 534066 + ... + 534684.

It is an arithmetic number, because the mean of its divisors is an integer number (8745100).

Almost surely, 2^330778125 is an apocalyptic number.

It is an amenable number.

330778125 is a deficient number, since it is larger than the sum of its proper divisors (298869075).

330778125 is an equidigital number, since it uses as much as digits as its factorization.

330778125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 330778125 is about 18187.3067000037. The cubic root of 330778125 is about 691.5850454483.

The spelling of 330778125 in words is "three hundred thirty million, seven hundred seventy-eight thousand, one hundred twenty-five".