626212049 has 2 divisors, whose sum is σ = 626212050. Its totient is φ = 626212048.

The previous prime is 626212039. The next prime is 626212057. The reversal of 626212049 is 940212626.

626212049 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., 568345600 + 57866449 = 23840^2 + 7607^2 .

It is a cyclic number.

It is not a de Polignac number, because 626212049 - 2⁴ = 626212033 is a prime.

It is not a weakly prime, because it can be changed into another prime (626212039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313106024 + 313106025.

It is an arithmetic number, because the mean of its divisors is an integer number (313106025).

Almost surely, 2^626212049 is an apocalyptic number.

It is an amenable number.

626212049 is a deficient number, since it is larger than the sum of its proper divisors (1).

626212049 is an equidigital number, since it uses as much as digits as its factorization.

626212049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 626212049 is about 25024.2292388797. The cubic root of 626212049 is about 855.5403030214.

The spelling of 626212049 in words is "six hundred twenty-six million, two hundred twelve thousand, forty-nine".