673204997 has 2 divisors, whose sum is σ = 673204998. Its totient is φ = 673204996.

The previous prime is 673204969. The next prime is 673205053. The reversal of 673204997 is 799402376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 557620996 + 115584001 = 23614^2 + 10751^2 .

It is a cyclic number.

It is not a de Polignac number, because 673204997 - 2⁶ = 673204933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673204957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336602498 + 336602499.

It is an arithmetic number, because the mean of its divisors is an integer number (336602499).

Almost surely, 2^673204997 is an apocalyptic number.

It is an amenable number.

673204997 is a deficient number, since it is larger than the sum of its proper divisors (1).

673204997 is an equidigital number, since it uses as much as digits as its factorization.

673204997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 673204997 is about 25946.1942681388. The cubic root of 673204997 is about 876.4270577621.

The spelling of 673204997 in words is "six hundred seventy-three million, two hundred four thousand, nine hundred ninety-seven".