503505234 has 48 divisors (see below), whose sum is σ = 1134308448. Its totient is φ = 167393952.

The previous prime is 503505227. The next prime is 503505251. The reversal of 503505234 is 432505305.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 503505198 and 503505207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220969 + ... + 223235.

It is an arithmetic number, because the mean of its divisors is an integer number (23631426).

Almost surely, 2^503505234 is an apocalyptic number.

503505234 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 503505234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567154224).

503505234 is an abundant number, since it is smaller than the sum of its proper divisors (630803214).

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

503505234 is a wasteful number, since it uses less digits than its factorization.

503505234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741 (or 2729 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 503505234 is about 22438.9223003245. The cubic root of 503505234 is about 795.5509459733.

The spelling of 503505234 in words is "five hundred three million, five hundred five thousand, two hundred thirty-four".