202326013 has 2 divisors, whose sum is σ = 202326014. Its totient is φ = 202326012.

The previous prime is 202325987. The next prime is 202326043. The reversal of 202326013 is 310623202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199883044 + 2442969 = 14138^2 + 1563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202326013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202326043) 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, 101163006 + 101163007.

It is an arithmetic number, because the mean of its divisors is an integer number (101163007).

Almost surely, 2^202326013 is an apocalyptic number.

It is an amenable number.

202326013 is a deficient number, since it is larger than the sum of its proper divisors (1).

202326013 is an equidigital number, since it uses as much as digits as its factorization.

202326013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 202326013 is about 14224.1348770321. The cubic root of 202326013 is about 587.0619162381.

Adding to 202326013 its reverse (310623202), we get a palindrome (512949215).

The spelling of 202326013 in words is "two hundred two million, three hundred twenty-six thousand, thirteen".