503134660 has 48 divisors (see below), whose sum is σ = 1260032256. Its totient is φ = 165002112.

The previous prime is 503134571. The next prime is 503134661. The reversal of 503134660 is 66431305.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (503134661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74907 + ... + 81346.

It is an arithmetic number, because the mean of its divisors is an integer number (26250672).

Almost surely, 2^503134660 is an apocalyptic number.

It is an amenable number.

503134660 is an abundant number, since it is smaller than the sum of its proper divisors (756897596).

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

503134660 is a wasteful number, since it uses less digits than its factorization.

503134660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156292 (or 156290 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 503134660 is about 22430.6633874257. The cubic root of 503134660 is about 795.3557259891.

Adding to 503134660 its reverse (66431305), we get a palindrome (569565965).

The spelling of 503134660 in words is "five hundred three million, one hundred thirty-four thousand, six hundred sixty".