503325530 has 16 divisors (see below), whose sum is σ = 906265800. Its totient is φ = 201268032.

The previous prime is 503325503. The next prime is 503325547. The reversal of 503325530 is 35523305.

It can be written as a sum of positive squares in 4 ways, for example, as 147889921 + 355435609 = 12161^2 + 18853^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 503325530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40496 + ... + 51444.

Almost surely, 2^503325530 is an apocalyptic number.

503325530 is a deficient number, since it is larger than the sum of its proper divisors (402940270).

503325530 is a wasteful number, since it uses less digits than its factorization.

503325530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15553.

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 503325530 is about 22434.9176508406. The cubic root of 503325530 is about 795.4562890965.

Adding to 503325530 its reverse (35523305), we get a palindrome (538848835).

The spelling of 503325530 in words is "five hundred three million, three hundred twenty-five thousand, five hundred thirty".