527861 has 4 divisors (see below), whose sum is σ = 531852. Its totient is φ = 523872.

The previous prime is 527851. The next prime is 527869. The reversal of 527861 is 168725.

527861 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 2 ways, for example, as 448900 + 78961 = 670^2 + 281^2 .

It is a cyclic number.

It is not a de Polignac number, because 527861 - 2¹⁰ = 526837 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1790 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (132963).

2⁵²⁷⁸⁶¹ is an apocalyptic number.

It is an amenable number.

527861 is a deficient number, since it is larger than the sum of its proper divisors (3991).

527861 is a wasteful number, since it uses less digits than its factorization.

527861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990.

The product of its digits is 3360, while the sum is 29.

The square root of 527861 is about 726.5404324606. The cubic root of 527861 is about 80.8177072096.

The spelling of 527861 in words is "five hundred twenty-seven thousand, eight hundred sixty-one".