273006449 has 2 divisors, whose sum is σ = 273006450. Its totient is φ = 273006448.

The previous prime is 273006443. The next prime is 273006469. The reversal of 273006449 is 944600372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148840000 + 124166449 = 12200^2 + 11143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273006449 is a prime.

It is not a weakly prime, because it can be changed into another prime (273006443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136503224 + 136503225.

It is an arithmetic number, because the mean of its divisors is an integer number (136503225).

Almost surely, 2^273006449 is an apocalyptic number.

It is an amenable number.

273006449 is a deficient number, since it is larger than the sum of its proper divisors (1).

273006449 is an equidigital number, since it uses as much as digits as its factorization.

273006449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 273006449 is about 16522.9067963237. The cubic root of 273006449 is about 648.7205197702.

The spelling of 273006449 in words is "two hundred seventy-three million, six thousand, four hundred forty-nine".