850625 has 10 divisors (see below), whose sum is σ = 1063722. Its totient is φ = 680000.

The previous prime is 850613. The next prime is 850631. The reversal of 850625 is 526058.

It can be written as a sum of positive squares in 5 ways, for example, as 485809 + 364816 = 697^2 + 604^2 .

It is not a de Polignac number, because 850625 - 2¹⁰ = 849601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 850594 and 850603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 56 + ... + 1305.

2⁸⁵⁰⁶²⁵ is an apocalyptic number.

It is an amenable number.

850625 is a deficient number, since it is larger than the sum of its proper divisors (213097).

850625 is an equidigital number, since it uses as much as digits as its factorization.

850625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 850625 is about 922.2933372848. The cubic root of 850625 is about 94.7500353891.

The spelling of 850625 in words is "eight hundred fifty thousand, six hundred twenty-five".