503043042 has 16 divisors (see below), whose sum is σ = 1006350912. Its totient is φ = 167636880.

The previous prime is 503043029. The next prime is 503043043. The reversal of 503043042 is 240340305.

It is a happy number.

It is a super-2 number, since 2×503043042² = 506104604209227528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (503043043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20667 + ... + 37857.

It is an arithmetic number, because the mean of its divisors is an integer number (62896932).

Almost surely, 2^503043042 is an apocalyptic number.

503043042 is an abundant number, since it is smaller than the sum of its proper divisors (503307870).

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

503043042 is a wasteful number, since it uses less digits than its factorization.

503043042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22073.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 503043042 is about 22428.6210454410. The cubic root of 503043042 is about 795.3074464527.

Adding to 503043042 its reverse (240340305), we get a palindrome (743383347).

The spelling of 503043042 in words is "five hundred three million, forty-three thousand, forty-two".