670025017 has 2 divisors, whose sum is σ = 670025018. Its totient is φ = 670025016.

The previous prime is 670025009. The next prime is 670025033. The reversal of 670025017 is 710520076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493772841 + 176252176 = 22221^2 + 13276^2 .

It is a cyclic number.

It is not a de Polignac number, because 670025017 - 2³ = 670025009 is a prime.

It is not a weakly prime, because it can be changed into another prime (670025047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335012508 + 335012509.

It is an arithmetic number, because the mean of its divisors is an integer number (335012509).

Almost surely, 2^670025017 is an apocalyptic number.

It is an amenable number.

670025017 is a deficient number, since it is larger than the sum of its proper divisors (1).

670025017 is an equidigital number, since it uses as much as digits as its factorization.

670025017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 670025017 is about 25884.8414520932. The cubic root of 670025017 is about 875.0449030562.

The spelling of 670025017 in words is "six hundred seventy million, twenty-five thousand, seventeen".