525286 has 4 divisors (see below), whose sum is σ = 787932. Its totient is φ = 262642.

The previous prime is 525257. The next prime is 525299. The reversal of 525286 is 682525.

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 + 2⁵ + 2¹⁸ + 5⁴ + 8⁶ + 6³ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131320 + ... + 131323.

It is an arithmetic number, because the mean of its divisors is an integer number (196983).

2⁵²⁵²⁸⁶ is an apocalyptic number.

525286 is a deficient number, since it is larger than the sum of its proper divisors (262646).

525286 is a wasteful number, since it uses less digits than its factorization.

525286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262645.

The product of its digits is 4800, while the sum is 28.

The square root of 525286 is about 724.7661691884. The cubic root of 525286 is about 80.6860785497.

The spelling of 525286 in words is "five hundred twenty-five thousand, two hundred eighty-six".