526487 has 4 divisors (see below), whose sum is σ = 567000. Its totient is φ = 485976.

The previous prime is 526483. The next prime is 526499. The reversal of 526487 is 784625.

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 526487 - 2² = 526483 is a prime.

It is a super-2 number, since 2×526487² = 554377122338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526483) 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, 20237 + ... + 20262.

It is an arithmetic number, because the mean of its divisors is an integer number (141750).

2⁵²⁶⁴⁸⁷ is an apocalyptic number.

526487 is a deficient number, since it is larger than the sum of its proper divisors (40513).

526487 is a wasteful number, since it uses less digits than its factorization.

526487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40512.

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

The square root of 526487 is about 725.5942392274. The cubic root of 526487 is about 80.7475245817.

The spelling of 526487 in words is "five hundred twenty-six thousand, four hundred eighty-seven".