785161025 has 36 divisors (see below), whose sum is σ = 1097844912. Its totient is φ = 552420000.

The previous prime is 785160977. The next prime is 785161049. The reversal of 785161025 is 520161587.

785161025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-785161025 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 262790 + ... + 265760.

It is an arithmetic number, because the mean of its divisors is an integer number (30495692).

Almost surely, 2^785161025 is an apocalyptic number.

It is an amenable number.

785161025 is a deficient number, since it is larger than the sum of its proper divisors (312683887).

785161025 is a wasteful number, since it uses less digits than its factorization.

785161025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 3018 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 785161025 is about 28020.7249192450. The cubic root of 785161025 is about 922.5422066798.

The spelling of 785161025 in words is "seven hundred eighty-five million, one hundred sixty-one thousand, twenty-five".