503104442 has 4 divisors (see below), whose sum is σ = 754656666. Its totient is φ = 251552220.

The previous prime is 503104423. The next prime is 503104447. The reversal of 503104442 is 244401305.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 437186281 + 65918161 = 20909^2 + 8119^2 .

It is a super-2 number, since 2×503104442² = 506228159120262728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (503104447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125776109 + ... + 125776112.

Almost surely, 2^503104442 is an apocalyptic number.

503104442 is a deficient number, since it is larger than the sum of its proper divisors (251552224).

503104442 is a wasteful number, since it uses less digits than its factorization.

503104442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251552223.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 503104442 is about 22429.9897904569. The cubic root of 503104442 is about 795.3398027897.

Adding to 503104442 its reverse (244401305), we get a palindrome (747505747).

The spelling of 503104442 in words is "five hundred three million, one hundred four thousand, four hundred forty-two".