502207213 has 2 divisors, whose sum is σ = 502207214. Its totient is φ = 502207212.

The previous prime is 502207207. The next prime is 502207247. The reversal of 502207213 is 312702205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312511684 + 189695529 = 17678^2 + 13773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502207213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502207273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251103606 + 251103607.

It is an arithmetic number, because the mean of its divisors is an integer number (251103607).

Almost surely, 2^502207213 is an apocalyptic number.

It is an amenable number.

502207213 is a deficient number, since it is larger than the sum of its proper divisors (1).

502207213 is an equidigital number, since it uses as much as digits as its factorization.

502207213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 502207213 is about 22409.9802097191. The cubic root of 502207213 is about 794.8667223806.

Adding to 502207213 its reverse (312702205), we get a palindrome (814909418).

The spelling of 502207213 in words is "five hundred two million, two hundred seven thousand, two hundred thirteen".