502213433 has 2 divisors, whose sum is σ = 502213434. Its totient is φ = 502213432.

The previous prime is 502213421. The next prime is 502213451. The reversal of 502213433 is 334312205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379158784 + 123054649 = 19472^2 + 11093^2 .

It is a cyclic number.

It is not a de Polignac number, because 502213433 - 2⁴ = 502213417 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 502213399 and 502213408.

It is not a weakly prime, because it can be changed into another prime (502213403) 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, 251106716 + 251106717.

It is an arithmetic number, because the mean of its divisors is an integer number (251106717).

Almost surely, 2^502213433 is an apocalyptic number.

It is an amenable number.

502213433 is a deficient number, since it is larger than the sum of its proper divisors (1).

502213433 is an equidigital number, since it uses as much as digits as its factorization.

502213433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 502213433 is about 22410.1189867435. The cubic root of 502213433 is about 794.8700039282.

Adding to 502213433 its reverse (334312205), we get a palindrome (836525638).

The spelling of 502213433 in words is "five hundred two million, two hundred thirteen thousand, four hundred thirty-three".