525802 has 4 divisors (see below), whose sum is σ = 788706. Its totient is φ = 262900.

The previous prime is 525781. The next prime is 525809. The reversal of 525802 is 208525.

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

It can be written as a sum of positive squares in only one way, i.e., 410881 + 114921 = 641^2 + 339^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 5⁴ + 2⁸ + 8 + 5⁴ + 0 + 2¹⁹ .

It is not an unprimeable number, because it can be changed into a prime (525809) by changing a digit.

525802 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131449 + ... + 131452.

2⁵²⁵⁸⁰² is an apocalyptic number.

525802 is a deficient number, since it is larger than the sum of its proper divisors (262904).

525802 is a wasteful number, since it uses less digits than its factorization.

525802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262903.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 525802 is about 725.1220586908. The cubic root of 525802 is about 80.7124898071.

The spelling of 525802 in words is "five hundred twenty-five thousand, eight hundred two".