864525 has 12 divisors (see below), whose sum is σ = 1429472. Its totient is φ = 461040.

The previous prime is 864511. The next prime is 864533. The reversal of 864525 is 525468.

It is not a de Polignac number, because 864525 - 2⁴ = 864509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 864492 and 864501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5689 + ... + 5838.

2⁸⁶⁴⁵²⁵ is an apocalyptic number.

It is an amenable number.

864525 is a deficient number, since it is larger than the sum of its proper divisors (564947).

864525 is a wasteful number, since it uses less digits than its factorization.

864525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11540 (or 11535 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 864525 is about 929.7983652384. The cubic root of 864525 is about 95.2633505443.

The spelling of 864525 in words is "eight hundred sixty-four thousand, five hundred twenty-five".