503361306 has 24 divisors (see below), whose sum is σ = 1246418784. Its totient is φ = 143817480.

The previous prime is 503361301. The next prime is 503361307. The reversal of 503361306 is 603163305.

It is a self number, because there is not a number n which added to its sum of digits gives 503361306.

It is not an unprimeable number, because it can be changed into a prime (503361301) 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 11 ways as a sum of consecutive naturals, for example, 1997340 + ... + 1997591.

It is an arithmetic number, because the mean of its divisors is an integer number (51934116).

Almost surely, 2^503361306 is an apocalyptic number.

503361306 is an abundant number, since it is smaller than the sum of its proper divisors (743057478).

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

503361306 is a wasteful number, since it uses less digits than its factorization.

503361306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994946 (or 3994943 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 503361306 is about 22435.7149652067. The cubic root of 503361306 is about 795.4751354615.

The spelling of 503361306 in words is "five hundred three million, three hundred sixty-one thousand, three hundred six".