525086 has 4 divisors (see below), whose sum is σ = 787632. Its totient is φ = 262542.

The previous prime is 525043. The next prime is 525101. The reversal of 525086 is 680525.

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

It is a d-powerful number, because it can be written as 5³ + 2¹⁹ + 0 + 5³ + 8³ + 6² .

It is a congruent number.

It is an unprimeable number.

525086 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 131270 + ... + 131273.

It is an arithmetic number, because the mean of its divisors is an integer number (196908).

2⁵²⁵⁰⁸⁶ is an apocalyptic number.

525086 is a deficient number, since it is larger than the sum of its proper divisors (262546).

525086 is a wasteful number, since it uses less digits than its factorization.

525086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262545.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 525086 is about 724.6281805174. The cubic root of 525086 is about 80.6758369770.

The spelling of 525086 in words is "five hundred twenty-five thousand, eighty-six".