670543259 has 2 divisors, whose sum is σ = 670543260. Its totient is φ = 670543258.

The previous prime is 670543253. The next prime is 670543261. The reversal of 670543259 is 952345076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670543259 - 2¹⁶ = 670477723 is a prime.

Together with 670543261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (670543253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335271629 + 335271630.

It is an arithmetic number, because the mean of its divisors is an integer number (335271630).

Almost surely, 2^670543259 is an apocalyptic number.

670543259 is a deficient number, since it is larger than the sum of its proper divisors (1).

670543259 is an equidigital number, since it uses as much as digits as its factorization.

670543259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 670543259 is about 25894.8500478377. The cubic root of 670543259 is about 875.2704509292.

The spelling of 670543259 in words is "six hundred seventy million, five hundred forty-three thousand, two hundred fifty-nine".