626050001 has 2 divisors, whose sum is σ = 626050002. Its totient is φ = 626050000.

The previous prime is 626049997. The next prime is 626050021. The reversal of 626050001 is 100050626.

It is an a-pointer prime, because the next prime (626050021) can be obtained adding 626050001 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 625050001 + 1000000 = 25001^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 626050001 - 2² = 626049997 is a prime.

It is not a weakly prime, because it can be changed into another prime (626050021) 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, 313025000 + 313025001.

It is an arithmetic number, because the mean of its divisors is an integer number (313025001).

Almost surely, 2^626050001 is an apocalyptic number.

It is an amenable number.

626050001 is a deficient number, since it is larger than the sum of its proper divisors (1).

626050001 is an equidigital number, since it uses as much as digits as its factorization.

626050001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 626050001 is about 25020.9912073843. The cubic root of 626050001 is about 855.4664991846.

The spelling of 626050001 in words is "six hundred twenty-six million, fifty thousand, one".