626674051 has 2 divisors, whose sum is σ = 626674052. Its totient is φ = 626674050.

The previous prime is 626674049. The next prime is 626674063. The reversal of 626674051 is 150476626.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 626674051 - 2¹ = 626674049 is a prime.

Together with 626674049, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 626674051.

It is not a weakly prime, because it can be changed into another prime (626674091) 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, 313337025 + 313337026.

It is an arithmetic number, because the mean of its divisors is an integer number (313337026).

Almost surely, 2^626674051 is an apocalyptic number.

626674051 is a deficient number, since it is larger than the sum of its proper divisors (1).

626674051 is an equidigital number, since it uses as much as digits as its factorization.

626674051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 626674051 is about 25033.4586304010. The cubic root of 626674051 is about 855.7506493235.

The spelling of 626674051 in words is "six hundred twenty-six million, six hundred seventy-four thousand, fifty-one".