525966 has 24 divisors (see below), whose sum is σ = 1224360. Its totient is φ = 150192.

The previous prime is 525961. The next prime is 525979. The reversal of 525966 is 669525.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525966.

It is not an unprimeable number, because it can be changed into a prime (525961) by changing a digit.

525966 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 11 ways as a sum of consecutive naturals, for example, 601 + ... + 1188.

It is an arithmetic number, because the mean of its divisors is an integer number (51015).

2⁵²⁵⁹⁶⁶ is an apocalyptic number.

525966 is an abundant number, since it is smaller than the sum of its proper divisors (698394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525966 is a wasteful number, since it uses less digits than its factorization.

525966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808 (or 1801 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 525966 is about 725.2351342840. The cubic root of 525966 is about 80.7208804639.

The spelling of 525966 in words is "five hundred twenty-five thousand, nine hundred sixty-six".