524525 has 6 divisors (see below), whose sum is σ = 650442. Its totient is φ = 419600.

The previous prime is 524521. The next prime is 524591. The reversal of 524525 is 525425.

It can be written as a sum of positive squares in 3 ways, for example, as 33124 + 491401 = 182^2 + 701^2 .

It is not a de Polignac number, because 524525 - 2² = 524521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 524525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524521) 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 5 ways as a sum of consecutive naturals, for example, 10466 + ... + 10515.

It is an arithmetic number, because the mean of its divisors is an integer number (108407).

2⁵²⁴⁵²⁵ is an apocalyptic number.

It is an amenable number.

524525 is a deficient number, since it is larger than the sum of its proper divisors (125917).

524525 is a wasteful number, since it uses less digits than its factorization.

524525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20991 (or 20986 counting only the distinct ones).

The product of its digits is 2000, while the sum is 23.

The square root of 524525 is about 724.2409819943. The cubic root of 524525 is about 80.6470954805.

Subtracting 524525 from its reverse (525425), we obtain a square (900 = 30²).

The spelling of 524525 in words is "five hundred twenty-four thousand, five hundred twenty-five".