864527 has 4 divisors (see below), whose sum is σ = 879240. Its totient is φ = 849816.

The previous prime is 864511. The next prime is 864533. The reversal of 864527 is 725468.

864527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 864527 - 2⁴ = 864511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 864493 and 864502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7268 + ... + 7385.

It is an arithmetic number, because the mean of its divisors is an integer number (219810).

2⁸⁶⁴⁵²⁷ is an apocalyptic number.

864527 is a deficient number, since it is larger than the sum of its proper divisors (14713).

864527 is a wasteful number, since it uses less digits than its factorization.

864527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14712.

The product of its digits is 13440, while the sum is 32.

The square root of 864527 is about 929.7994407398. The cubic root of 864527 is about 95.2634240052.

The spelling of 864527 in words is "eight hundred sixty-four thousand, five hundred twenty-seven".