85002525 has 18 divisors (see below), whose sum is σ = 152249370. Its totient is φ = 45334560.

The previous prime is 85002517. The next prime is 85002551. The reversal of 85002525 is 52520058.

It can be written as a sum of positive squares in 3 ways, for example, as 4756761 + 80245764 = 2181^2 + 8958^2 .

It is not a de Polignac number, because 85002525 - 2³ = 85002517 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 188670 + ... + 189119.

Almost surely, 2^85002525 is an apocalyptic number.

It is an amenable number.

85002525 is a deficient number, since it is larger than the sum of its proper divisors (67246845).

85002525 is a wasteful number, since it uses less digits than its factorization.

85002525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377805 (or 377797 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 85002525 is about 9219.6813936274. The cubic root of 85002525 is about 439.6873208962.

It can be divided in two parts, 8500 and 2525, that added together give a square (11025 = 105²).

The spelling of 85002525 in words is "eighty-five million, two thousand, five hundred twenty-five".