525003 has 8 divisors (see below), whose sum is σ = 705600. Its totient is φ = 347208.

The previous prime is 525001. The next prime is 525013. The reversal of 525003 is 300525.

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

It is not a de Polignac number, because 525003 - 2¹ = 525001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525001) 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, 213 + ... + 1046.

It is an arithmetic number, because the mean of its divisors is an integer number (88200).

2⁵²⁵⁰⁰³ is an apocalyptic number.

525003 is a deficient number, since it is larger than the sum of its proper divisors (180597).

525003 is a wasteful number, since it uses less digits than its factorization.

525003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 525003 is about 724.5709075032. The cubic root of 525003 is about 80.6715859608.

Adding to 525003 its reverse (300525), we get a palindrome (825528).

The spelling of 525003 in words is "five hundred twenty-five thousand, three".