626213233 has 2 divisors, whose sum is σ = 626213234. Its totient is φ = 626213232.

The previous prime is 626213227. The next prime is 626213239. The reversal of 626213233 is 332312626.

It is a balanced prime because it is at equal distance from previous prime (626213227) and next prime (626213239).

It can be written as a sum of positive squares in only one way, i.e., 625600144 + 613089 = 25012^2 + 783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-626213233 is a prime.

It is not a weakly prime, because it can be changed into another prime (626213239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313106616 + 313106617.

It is an arithmetic number, because the mean of its divisors is an integer number (313106617).

Almost surely, 2^626213233 is an apocalyptic number.

It is an amenable number.

626213233 is a deficient number, since it is larger than the sum of its proper divisors (1).

626213233 is an equidigital number, since it uses as much as digits as its factorization.

626213233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 28.

The square root of 626213233 is about 25024.2528959408. The cubic root of 626213233 is about 855.5408422206.

Adding to 626213233 its reverse (332312626), we get a palindrome (958525859).

The spelling of 626213233 in words is "six hundred twenty-six million, two hundred thirteen thousand, two hundred thirty-three".