670140313 has 2 divisors, whose sum is σ = 670140314. Its totient is φ = 670140312.

The previous prime is 670140307. The next prime is 670140329. The reversal of 670140313 is 313041076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 668325904 + 1814409 = 25852^2 + 1347^2 .

It is a cyclic number.

It is not a de Polignac number, because 670140313 - 2¹³ = 670132121 is a prime.

It is not a weakly prime, because it can be changed into another prime (670140413) 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, 335070156 + 335070157.

It is an arithmetic number, because the mean of its divisors is an integer number (335070157).

Almost surely, 2^670140313 is an apocalyptic number.

It is an amenable number.

670140313 is a deficient number, since it is larger than the sum of its proper divisors (1).

670140313 is an equidigital number, since it uses as much as digits as its factorization.

670140313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 670140313 is about 25887.0684512557. The cubic root of 670140313 is about 875.0950919239.

Adding to 670140313 its reverse (313041076), we get a palindrome (983181389).

The spelling of 670140313 in words is "six hundred seventy million, one hundred forty thousand, three hundred thirteen".