525843 has 6 divisors (see below), whose sum is σ = 759564. Its totient is φ = 350556.

The previous prime is 525839. The next prime is 525869. The reversal of 525843 is 348525.

It is not a de Polignac number, because 525843 - 2² = 525839 is a prime.

It is a d-powerful number, because it can be written as 5 + 2¹⁹ + 8³ + 5 + 4⁵ + 3² .

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (525893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29205 + ... + 29222.

It is an arithmetic number, because the mean of its divisors is an integer number (126594).

2⁵²⁵⁸⁴³ is an apocalyptic number.

525843 is a deficient number, since it is larger than the sum of its proper divisors (233721).

525843 is a wasteful number, since it uses less digits than its factorization.

525843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58433 (or 58430 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 525843 is about 725.1503292422. The cubic root of 525843 is about 80.7145876348.

The spelling of 525843 in words is "five hundred twenty-five thousand, eight hundred forty-three".