85025925 has 36 divisors (see below), whose sum is σ = 161256420. Its totient is φ = 42677760.

The previous prime is 85025911. The next prime is 85025929. The reversal of 85025925 is 52952058.

It can be written as a sum of positive squares in 6 ways, for example, as 1083681 + 83942244 = 1041^2 + 9162^2 .

It is not a de Polignac number, because 85025925 - 2⁶ = 85025861 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85025925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85025929) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7290 + ... + 14939.

It is an arithmetic number, because the mean of its divisors is an integer number (4479345).

Almost surely, 2^85025925 is an apocalyptic number.

85025925 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85025925 is a deficient number, since it is larger than the sum of its proper divisors (76230495).

85025925 is a wasteful number, since it uses less digits than its factorization.

85025925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22262 (or 22254 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 85025925 is about 9220.9503306330. The cubic root of 85025925 is about 439.7276637736.

The spelling of 85025925 in words is "eighty-five million, twenty-five thousand, nine hundred twenty-five".