503030042 has 8 divisors (see below), whose sum is σ = 755901396. Its totient is φ = 251062912.

The previous prime is 503030029. The next prime is 503030057. The reversal of 503030042 is 240030305.

It can be written as a sum of positive squares in 2 ways, for example, as 502163281 + 866761 = 22409^2 + 931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 503030042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224663 + ... + 226890.

Almost surely, 2^503030042 is an apocalyptic number.

503030042 is a deficient number, since it is larger than the sum of its proper divisors (252871354).

503030042 is a wasteful number, since it uses less digits than its factorization.

503030042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452112.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 503030042 is about 22428.3312352926. The cubic root of 503030042 is about 795.3005954247.

Adding to 503030042 its reverse (240030305), we get a palindrome (743060347).

The spelling of 503030042 in words is "five hundred three million, thirty thousand, forty-two".