503663442 has 16 divisors (see below), whose sum is σ = 1014575520. Its totient is φ = 166679712.

The previous prime is 503663441. The next prime is 503663443. The reversal of 503663442 is 244366305.

It is an interprime number because it is at equal distance from previous prime (503663441) and next prime (503663443).

It is not an unprimeable number, because it can be changed into a prime (503663441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301123 + ... + 302790.

It is an arithmetic number, because the mean of its divisors is an integer number (63410970).

Almost surely, 2^503663442 is an apocalyptic number.

503663442 is an abundant number, since it is smaller than the sum of its proper divisors (510912078).

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

503663442 is a wasteful number, since it uses less digits than its factorization.

503663442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604057.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 503663442 is about 22442.4473264392. The cubic root of 503663442 is about 795.6342614553.

The spelling of 503663442 in words is "five hundred three million, six hundred sixty-three thousand, four hundred forty-two".