503025530 has 32 divisors (see below), whose sum is σ = 1068180480. Its totient is φ = 166901760.

The previous prime is 503025527. The next prime is 503025533. The reversal of 503025530 is 35520305.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (503025527) and next prime (503025533).

It is a junction number, because it is equal to n+sod(n) for n = 503025496 and 503025505.

It is not an unprimeable number, because it can be changed into a prime (503025533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113735 + ... + 118074.

It is an arithmetic number, because the mean of its divisors is an integer number (33380640).

Almost surely, 2^503025530 is an apocalyptic number.

503025530 is an abundant number, since it is smaller than the sum of its proper divisors (565154950).

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

503025530 is a wasteful number, since it uses less digits than its factorization.

503025530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231854.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 503025530 is about 22428.2306480025. The cubic root of 503025530 is about 795.2982175634.

Adding to 503025530 its reverse (35520305), we get a palindrome (538545835).

The spelling of 503025530 in words is "five hundred three million, twenty-five thousand, five hundred thirty".