673333249 has 2 divisors, whose sum is σ = 673333250. Its totient is φ = 673333248.

The previous prime is 673333187. The next prime is 673333307. The reversal of 673333249 is 942333376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 670551025 + 2782224 = 25895^2 + 1668^2 .

It is a cyclic number.

It is not a de Polignac number, because 673333249 - 2⁷ = 673333121 is a prime.

It is not a weakly prime, because it can be changed into another prime (673333949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336666624 + 336666625.

It is an arithmetic number, because the mean of its divisors is an integer number (336666625).

Almost surely, 2^673333249 is an apocalyptic number.

It is an amenable number.

673333249 is a deficient number, since it is larger than the sum of its proper divisors (1).

673333249 is an equidigital number, since it uses as much as digits as its factorization.

673333249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 40.

The square root of 673333249 is about 25948.6656497015. The cubic root of 673333249 is about 876.4827101445.

The spelling of 673333249 in words is "six hundred seventy-three million, three hundred thirty-three thousand, two hundred forty-nine".