525878 has 8 divisors (see below), whose sum is σ = 835272. Its totient is φ = 247456.

The previous prime is 525871. The next prime is 525887. The reversal of 525878 is 878525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525871) 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, 7700 + ... + 7767.

It is an arithmetic number, because the mean of its divisors is an integer number (104409).

2⁵²⁵⁸⁷⁸ is an apocalyptic number.

525878 is a deficient number, since it is larger than the sum of its proper divisors (309394).

525878 is a wasteful number, since it uses less digits than its factorization.

525878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15486.

The product of its digits is 22400, while the sum is 35.

The square root of 525878 is about 725.1744617676. The cubic root of 525878 is about 80.7163783771.

The spelling of 525878 in words is "five hundred twenty-five thousand, eight hundred seventy-eight".