85867525 has 6 divisors (see below), whose sum is σ = 106475762. Its totient is φ = 68694000.

The previous prime is 85867511. The next prime is 85867531. The reversal of 85867525 is 52576858.

It can be written as a sum of positive squares in 3 ways, for example, as 6140484 + 79727041 = 2478^2 + 8929^2 .

It is not a de Polignac number, because 85867525 - 2⁹ = 85867013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1717326 + ... + 1717375.

Almost surely, 2^85867525 is an apocalyptic number.

It is an amenable number.

85867525 is a deficient number, since it is larger than the sum of its proper divisors (20608237).

85867525 is a wasteful number, since it uses less digits than its factorization.

85867525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434711 (or 3434706 counting only the distinct ones).

The product of its digits is 672000, while the sum is 46.

The square root of 85867525 is about 9266.4731694426. The cubic root of 85867525 is about 441.1737343011.

The spelling of 85867525 in words is "eighty-five million, eight hundred sixty-seven thousand, five hundred twenty-five".