306049 has 2 divisors, whose sum is σ = 306050. Its totient is φ = 306048.

The previous prime is 306041. The next prime is 306083. The reversal of 306049 is 940603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219024 + 87025 = 468^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 306049 - 2³ = 306041 is a prime.

It is not a weakly prime, because it can be changed into another prime (306041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153024 + 153025.

It is an arithmetic number, because the mean of its divisors is an integer number (153025).

2³⁰⁶⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

306049 is a deficient number, since it is larger than the sum of its proper divisors (1).

306049 is an equidigital number, since it uses as much as digits as its factorization.

306049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 306049 is about 553.2169556331. The cubic root of 306049 is about 67.3902377065.

The spelling of 306049 in words is "three hundred six thousand, forty-nine".