626242027 has 2 divisors, whose sum is σ = 626242028. Its totient is φ = 626242026.

The previous prime is 626242013. The next prime is 626242049. The reversal of 626242027 is 720242626.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 626242027 - 2⁷ = 626241899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 626242027.

It is not a weakly prime, because it can be changed into another prime (626242007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313121013 + 313121014.

It is an arithmetic number, because the mean of its divisors is an integer number (313121014).

Almost surely, 2^626242027 is an apocalyptic number.

626242027 is a deficient number, since it is larger than the sum of its proper divisors (1).

626242027 is an equidigital number, since it uses as much as digits as its factorization.

626242027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 626242027 is about 25024.8282111986. The cubic root of 626242027 is about 855.5539549348.

The spelling of 626242027 in words is "six hundred twenty-six million, two hundred forty-two thousand, twenty-seven".