503013042 has 48 divisors (see below), whose sum is σ = 1250076672. Its totient is φ = 143196480.

The previous prime is 503012999. The next prime is 503013067. The reversal of 503013042 is 240310305.

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

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, 28303 + ... + 42509.

It is an arithmetic number, because the mean of its divisors is an integer number (26043264).

Almost surely, 2^503013042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503013042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625038336).

503013042 is an abundant number, since it is smaller than the sum of its proper divisors (747063630).

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

503013042 is a wasteful number, since it uses less digits than its factorization.

503013042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14503 (or 14500 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 503013042 is about 22427.9522471402. The cubic root of 503013042 is about 795.2916362100.

Adding to 503013042 its reverse (240310305), we get a palindrome (743323347).

The spelling of 503013042 in words is "five hundred three million, thirteen thousand, forty-two".