526863 has 4 divisors (see below), whose sum is σ = 702488. Its totient is φ = 351240.

The previous prime is 526859. The next prime is 526871. The reversal of 526863 is 368625.

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

It is not a de Polignac number, because 526863 - 2² = 526859 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 526863.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 526863.

It is not an unprimeable number, because it can be changed into a prime (526853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87808 + ... + 87813.

It is an arithmetic number, because the mean of its divisors is an integer number (175622).

2⁵²⁶⁸⁶³ is an apocalyptic number.

526863 is a deficient number, since it is larger than the sum of its proper divisors (175625).

526863 is a wasteful number, since it uses less digits than its factorization.

526863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175624.

The product of its digits is 8640, while the sum is 30.

The square root of 526863 is about 725.8532909617. The cubic root of 526863 is about 80.7667424316.

The spelling of 526863 in words is "five hundred twenty-six thousand, eight hundred sixty-three".