85625 has 10 divisors (see below), whose sum is σ = 107778. Its totient is φ = 68000.

The previous prime is 85621. The next prime is 85627. The reversal of 85625 is 52658.

It can be written as a sum of positive squares in 5 ways, for example, as 29929 + 55696 = 173^2 + 236^2 .

It is not a de Polignac number, because 85625 - 2² = 85621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 85594 and 85603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 557 + ... + 693.

2⁸⁵⁶²⁵ is an apocalyptic number.

It is an amenable number.

85625 is a deficient number, since it is larger than the sum of its proper divisors (22153).

85625 is an equidigital number, since it uses as much as digits as its factorization.

85625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 142 counting only the distinct ones).

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

The square root of 85625 is about 292.6174977680. The cubic root of 85625 is about 44.0757990975.

The spelling of 85625 in words is "eighty-five thousand, six hundred twenty-five".