670049 has 2 divisors, whose sum is σ = 670050. Its totient is φ = 670048.

The previous prime is 670039. The next prime is 670051. The reversal of 670049 is 940076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616225 + 53824 = 785^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 670049 - 2¹² = 665953 is a prime.

Together with 670051, 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 (670039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335024 + 335025.

It is an arithmetic number, because the mean of its divisors is an integer number (335025).

2⁶⁷⁰⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

670049 is a deficient number, since it is larger than the sum of its proper divisors (1).

670049 is an equidigital number, since it uses as much as digits as its factorization.

670049 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 26.

The square root of 670049 is about 818.5652081539. The cubic root of 670049 is about 87.5055343438.

The spelling of 670049 in words is "six hundred seventy thousand, forty-nine".