673956601 has 2 divisors, whose sum is σ = 673956602. Its totient is φ = 673956600.

The previous prime is 673956599. The next prime is 673956611. The reversal of 673956601 is 106659376.

673956601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 532917225 + 141039376 = 23085^2 + 11876^2 .

It is a cyclic number.

It is not a de Polignac number, because 673956601 - 2¹ = 673956599 is a prime.

Together with 673956599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (673956611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336978300 + 336978301.

It is an arithmetic number, because the mean of its divisors is an integer number (336978301).

Almost surely, 2^673956601 is an apocalyptic number.

It is an amenable number.

673956601 is a deficient number, since it is larger than the sum of its proper divisors (1).

673956601 is an equidigital number, since it uses as much as digits as its factorization.

673956601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 673956601 is about 25960.6741245292. The cubic root of 673956601 is about 876.7531006420.

The spelling of 673956601 in words is "six hundred seventy-three million, nine hundred fifty-six thousand, six hundred one".