626021233 has 2 divisors, whose sum is σ = 626021234. Its totient is φ = 626021232.

The previous prime is 626021191. The next prime is 626021287. The reversal of 626021233 is 332120626.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383689744 + 242331489 = 19588^2 + 15567^2 .

It is a cyclic number.

It is not a de Polignac number, because 626021233 - 2¹³ = 626013041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 626021198 and 626021207.

It is not a weakly prime, because it can be changed into another prime (626021933) 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, 313010616 + 313010617.

It is an arithmetic number, because the mean of its divisors is an integer number (313010617).

Almost surely, 2^626021233 is an apocalyptic number.

It is an amenable number.

626021233 is a deficient number, since it is larger than the sum of its proper divisors (1).

626021233 is an equidigital number, since it uses as much as digits as its factorization.

626021233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 626021233 is about 25020.4163234747. The cubic root of 626021233 is about 855.4533956321.

Adding to 626021233 its reverse (332120626), we get a palindrome (958141859).

The spelling of 626021233 in words is "six hundred twenty-six million, twenty-one thousand, two hundred thirty-three".