52303213 has 2 divisors, whose sum is σ = 52303214. Its totient is φ = 52303212.

The previous prime is 52303189. The next prime is 52303217. The reversal of 52303213 is 31230325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38775529 + 13527684 = 6227^2 + 3678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52303213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52303217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26151606 + 26151607.

It is an arithmetic number, because the mean of its divisors is an integer number (26151607).

Almost surely, 2^52303213 is an apocalyptic number.

It is an amenable number.

52303213 is a deficient number, since it is larger than the sum of its proper divisors (1).

52303213 is an equidigital number, since it uses as much as digits as its factorization.

52303213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 52303213 is about 7232.0960308890. The cubic root of 52303213 is about 373.9751882841.

Adding to 52303213 its reverse (31230325), we get a palindrome (83533538).

The spelling of 52303213 in words is "fifty-two million, three hundred three thousand, two hundred thirteen".