525929 has 4 divisors (see below), whose sum is σ = 556884. Its totient is φ = 494976.

The previous prime is 525923. The next prime is 525937. The reversal of 525929 is 929525.

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 225625 + 300304 = 475^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 525929 - 2⁴ = 525913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525895 and 525904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525923) 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 3 ways as a sum of consecutive naturals, for example, 15452 + ... + 15485.

It is an arithmetic number, because the mean of its divisors is an integer number (139221).

2⁵²⁵⁹²⁹ is an apocalyptic number.

It is an amenable number.

525929 is a deficient number, since it is larger than the sum of its proper divisors (30955).

525929 is a wasteful number, since it uses less digits than its factorization.

525929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30954.

The product of its digits is 8100, while the sum is 32.

The square root of 525929 is about 725.2096248672. The cubic root of 525929 is about 80.7189876022.

The spelling of 525929 in words is "five hundred twenty-five thousand, nine hundred twenty-nine".