851825902 has 16 divisors (see below), whose sum is σ = 1354691952. Its totient is φ = 400328320.

The previous prime is 851825869. The next prime is 851825927. The reversal of 851825902 is 209528158.

It is a super-2 number, since 2×851825902² = 1451214734636227208, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 10077 + ... + 42487.

It is an arithmetic number, because the mean of its divisors is an integer number (84668247).

Almost surely, 2^851825902 is an apocalyptic number.

851825902 is a deficient number, since it is larger than the sum of its proper divisors (502866050).

851825902 is a wasteful number, since it uses less digits than its factorization.

851825902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33203.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 851825902 is about 29186.0566366887. The cubic root of 851825902 is about 947.9460340362.

The spelling of 851825902 in words is "eight hundred fifty-one million, eight hundred twenty-five thousand, nine hundred two".