857963125 has 20 divisors (see below), whose sum is σ = 1079329504. Its totient is φ = 681750000.

The previous prime is 857963111. The next prime is 857963131. The reversal of 857963125 is 521369758.

It is not a de Polignac number, because 857963125 - 2¹⁹ = 857438837 is a prime.

It is a super-2 number, since 2×857963125² = 1472201447719531250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 89830 + ... + 98920.

Almost surely, 2^857963125 is an apocalyptic number.

It is an amenable number.

857963125 is a deficient number, since it is larger than the sum of its proper divisors (221366379).

857963125 is an equidigital number, since it uses as much as digits as its factorization.

857963125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9262 (or 9247 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The square root of 857963125 is about 29291.0075791189. The cubic root of 857963125 is about 950.2171710340.

The spelling of 857963125 in words is "eight hundred fifty-seven million, nine hundred sixty-three thousand, one hundred twenty-five".