626032213 has 2 divisors, whose sum is σ = 626032214. Its totient is φ = 626032212.

The previous prime is 626032163. The next prime is 626032217. The reversal of 626032213 is 312230626.

It is a happy number.

626032213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 611424529 + 14607684 = 24727^2 + 3822^2 .

It is a cyclic number.

It is not a de Polignac number, because 626032213 - 2²¹ = 623935061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (626032217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313016106 + 313016107.

It is an arithmetic number, because the mean of its divisors is an integer number (313016107).

Almost surely, 2^626032213 is an apocalyptic number.

It is an amenable number.

626032213 is a deficient number, since it is larger than the sum of its proper divisors (1).

626032213 is an equidigital number, since it uses as much as digits as its factorization.

626032213 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 626032213 is about 25020.6357433220. The cubic root of 626032213 is about 855.4583969659.

Adding to 626032213 its reverse (312230626), we get a palindrome (938262839).

The spelling of 626032213 in words is "six hundred twenty-six million, thirty-two thousand, two hundred thirteen".