503132213 has 2 divisors, whose sum is σ = 503132214. Its totient is φ = 503132212.

The previous prime is 503132191. The next prime is 503132249. The reversal of 503132213 is 312231305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269714929 + 233417284 = 16423^2 + 15278^2 .

It is a cyclic number.

It is not a de Polignac number, because 503132213 - 2¹⁶ = 503066677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503132713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251566106 + 251566107.

It is an arithmetic number, because the mean of its divisors is an integer number (251566107).

Almost surely, 2^503132213 is an apocalyptic number.

It is an amenable number.

503132213 is a deficient number, since it is larger than the sum of its proper divisors (1).

503132213 is an equidigital number, since it uses as much as digits as its factorization.

503132213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 503132213 is about 22430.6088414916. The cubic root of 503132213 is about 795.3544365804.

Adding to 503132213 its reverse (312231305), we get a palindrome (815363518).

The spelling of 503132213 in words is "five hundred three million, one hundred thirty-two thousand, two hundred thirteen".