525626 has 8 divisors (see below), whose sum is σ = 792180. Its totient is φ = 261568.

The previous prime is 525607. The next prime is 525641. The reversal of 525626 is 626525.

It is a happy number.

It is a Cunningham number, because it is equal to 725²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 525625 + 1 = 725^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 5⁴ + 2⁴ + 6² + 5⁴ + 2¹⁹ + 6² .

It is a junction number, because it is equal to n+sod(n) for n = 525595 and 525604.

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, 50 + ... + 1026.

2⁵²⁵⁶²⁶ is an apocalyptic number.

525626 is a deficient number, since it is larger than the sum of its proper divisors (266554).

525626 is a wasteful number, since it uses less digits than its factorization.

525626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its digits is 3600, while the sum is 26.

The square root of 525626 is about 725.0006896548. Note that the first 3 decimals coincide. The cubic root of 525626 is about 80.7034832587.

The spelling of 525626 in words is "five hundred twenty-five thousand, six hundred twenty-six".