503130 has 32 divisors (see below), whose sum is σ = 1248768. Its totient is φ = 129600.

The previous prime is 503123. The next prime is 503131. The reversal of 503130 is 31305.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (503131) by changing a digit.

503130 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660 + ... + 1200.

It is an arithmetic number, because the mean of its divisors is an integer number (39024).

2⁵⁰³¹³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624384).

503130 is an abundant number, since it is smaller than the sum of its proper divisors (745638).

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

503130 is a wasteful number, since it uses less digits than its factorization.

503130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582.

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 503130 is about 709.3165724837. The cubic root of 503130 is about 79.5353270471.

Adding to 503130 its reverse (31305), we get a palindrome (534435).

The spelling of 503130 in words is "five hundred three thousand, one hundred thirty".