302006249 has 2 divisors, whose sum is σ = 302006250. Its totient is φ = 302006248.

The previous prime is 302006231. The next prime is 302006251. The reversal of 302006249 is 942600203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299047849 + 2958400 = 17293^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 302006249 - 2¹² = 302002153 is a prime.

Together with 302006251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (302006209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151003124 + 151003125.

It is an arithmetic number, because the mean of its divisors is an integer number (151003125).

Almost surely, 2^302006249 is an apocalyptic number.

It is an amenable number.

302006249 is a deficient number, since it is larger than the sum of its proper divisors (1).

302006249 is an equidigital number, since it uses as much as digits as its factorization.

302006249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 302006249 is about 17378.3269908239. The cubic root of 302006249 is about 670.9219127282.

The spelling of 302006249 in words is "three hundred two million, six thousand, two hundred forty-nine".