527866 has 4 divisors (see below), whose sum is σ = 791802. Its totient is φ = 263932.

The previous prime is 527851. The next prime is 527869. The reversal of 527866 is 668725.

527866 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 can be written as a sum of positive squares in only one way, i.e., 511225 + 16641 = 715^2 + 129^2 .

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (527869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131965 + ... + 131968.

2⁵²⁷⁸⁶⁶ is an apocalyptic number.

527866 is a deficient number, since it is larger than the sum of its proper divisors (263936).

527866 is a wasteful number, since it uses less digits than its factorization.

527866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263935.

The product of its digits is 20160, while the sum is 34.

The square root of 527866 is about 726.5438734172. The cubic root of 527866 is about 80.8179623824.

The spelling of 527866 in words is "five hundred twenty-seven thousand, eight hundred sixty-six".