503411004 has 96 divisors (see below), whose sum is σ = 1454745600. Its totient is φ = 149610240.

The previous prime is 503411003. The next prime is 503411033. The reversal of 503411004 is 400114305.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503411003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27669 + ... + 42099.

It is an arithmetic number, because the mean of its divisors is an integer number (15153600).

Almost surely, 2^503411004 is an apocalyptic number.

503411004 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503411004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727372800).

503411004 is an abundant number, since it is smaller than the sum of its proper divisors (951334596).

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

503411004 is a wasteful number, since it uses less digits than its factorization.

503411004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14480 (or 14472 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 503411004 is about 22436.8225023063. The cubic root of 503411004 is about 795.5013142863.

Adding to 503411004 its reverse (400114305), we get a palindrome (903525309).

The spelling of 503411004 in words is "five hundred three million, four hundred eleven thousand, four".