525765 has 8 divisors (see below), whose sum is σ = 841248. Its totient is φ = 280400.

The previous prime is 525739. The next prime is 525769. The reversal of 525765 is 567525.

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

It is not a de Polignac number, because 525765 - 2⁹ = 525253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525769) 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 7 ways as a sum of consecutive naturals, for example, 17511 + ... + 17540.

It is an arithmetic number, because the mean of its divisors is an integer number (105156).

2⁵²⁵⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

525765 is a deficient number, since it is larger than the sum of its proper divisors (315483).

525765 is a wasteful number, since it uses less digits than its factorization.

525765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35059.

The product of its digits is 10500, while the sum is 30.

The square root of 525765 is about 725.0965452959. The cubic root of 525765 is about 80.7105965519.

The spelling of 525765 in words is "five hundred twenty-five thousand, seven hundred sixty-five".