783120325 has 12 divisors (see below), whose sum is σ = 1045767268. Its totient is φ = 578304000.

The previous prime is 783120319. The next prime is 783120347. The reversal of 783120325 is 523021387.

It can be written as a sum of positive squares in 6 ways, for example, as 14333796 + 768786529 = 3786^2 + 27727^2 .

It is not a de Polignac number, because 783120325 - 2⁵ = 783120293 is a prime.

It is a super-2 number, since 2×783120325² = 1226554886856211250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1204476 + ... + 1205125.

Almost surely, 2^783120325 is an apocalyptic number.

It is an amenable number.

783120325 is a deficient number, since it is larger than the sum of its proper divisors (262646943).

783120325 is a wasteful number, since it uses less digits than its factorization.

783120325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409624 (or 2409619 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 783120325 is about 27984.2871090189. The cubic root of 783120325 is about 921.7422581256.

The spelling of 783120325 in words is "seven hundred eighty-three million, one hundred twenty thousand, three hundred twenty-five".