626400233 has 2 divisors, whose sum is σ = 626400234. Its totient is φ = 626400232.

The previous prime is 626400223. The next prime is 626400251. The reversal of 626400233 is 332004626.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 392554969 + 233845264 = 19813^2 + 15292^2 .

It is a cyclic number.

It is not a de Polignac number, because 626400233 - 2⁶ = 626400169 is a prime.

It is not a weakly prime, because it can be changed into another prime (626400223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313200116 + 313200117.

It is an arithmetic number, because the mean of its divisors is an integer number (313200117).

Almost surely, 2^626400233 is an apocalyptic number.

It is an amenable number.

626400233 is a deficient number, since it is larger than the sum of its proper divisors (1).

626400233 is an equidigital number, since it uses as much as digits as its factorization.

626400233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 626400233 is about 25027.9889923262. The cubic root of 626400233 is about 855.6259943736.

Adding to 626400233 its reverse (332004626), we get a palindrome (958404859).

The spelling of 626400233 in words is "six hundred twenty-six million, four hundred thousand, two hundred thirty-three".