525485 has 4 divisors (see below), whose sum is σ = 630588. Its totient is φ = 420384.

The previous prime is 525467. The next prime is 525491. The reversal of 525485 is 584525.

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

It can be written as a sum of positive squares in 2 ways, for example, as 405769 + 119716 = 637^2 + 346^2 .

It is a cyclic number.

It is not a de Polignac number, because 525485 - 2¹⁴ = 509101 is a prime.

It is a super-2 number, since 2×525485² = 552268970450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 52544 + ... + 52553.

It is an arithmetic number, because the mean of its divisors is an integer number (157647).

2⁵²⁵⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

525485 is a deficient number, since it is larger than the sum of its proper divisors (105103).

525485 is a wasteful number, since it uses less digits than its factorization.

525485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105102.

The product of its digits is 8000, while the sum is 29.

The square root of 525485 is about 724.9034418459. The cubic root of 525485 is about 80.6962663346.

The spelling of 525485 in words is "five hundred twenty-five thousand, four hundred eighty-five".