503361028 has 6 divisors (see below), whose sum is σ = 880881806. Its totient is φ = 251680512.

The previous prime is 503361013. The next prime is 503361029. The reversal of 503361028 is 820163305.

It can be written as a sum of positive squares in only one way, i.e., 344399364 + 158961664 = 18558^2 + 12608^2 .

It is a junction number, because it is equal to n+sod(n) for n = 503360987 and 503361005.

It is not an unprimeable number, because it can be changed into a prime (503361029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62920125 + ... + 62920132.

Almost surely, 2^503361028 is an apocalyptic number.

It is an amenable number.

503361028 is a deficient number, since it is larger than the sum of its proper divisors (377520778).

503361028 is a wasteful number, since it uses less digits than its factorization.

503361028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125840261 (or 125840259 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 503361028 is about 22435.7087697269. The cubic root of 503361028 is about 795.4749890179.

The spelling of 503361028 in words is "five hundred three million, three hundred sixty-one thousand, twenty-eight".