3125085857 has 8 divisors (see below), whose sum is σ = 3299508960. Its totient is φ = 2951657280.

The previous prime is 3125085853. The next prime is 3125085869. The reversal of 3125085857 is 7585805213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3125085857 - 2² = 3125085853 is a prime.

It is a super-2 number, since 2×3125085857² = 19532323227242848898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3125085853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242168 + ... + 254745.

It is an arithmetic number, because the mean of its divisors is an integer number (412438620).

Almost surely, 2^3125085857 is an apocalyptic number.

It is an amenable number.

3125085857 is a deficient number, since it is larger than the sum of its proper divisors (174423103).

3125085857 is a wasteful number, since it uses less digits than its factorization.

3125085857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497263.

The product of its (nonzero) digits is 336000, while the sum is 44.

The square root of 3125085857 is about 55902.4673605736. The cubic root of 3125085857 is about 1462.0222581780.

The spelling of 3125085857 in words is "three billion, one hundred twenty-five million, eighty-five thousand, eight hundred fifty-seven".