305936249 has 2 divisors, whose sum is σ = 305936250. Its totient is φ = 305936248.

The previous prime is 305936237. The next prime is 305936261. The reversal of 305936249 is 942639503.

It is a balanced prime because it is at equal distance from previous prime (305936237) and next prime (305936261).

It can be written as a sum of positive squares in only one way, i.e., 290191225 + 15745024 = 17035^2 + 3968^2 .

It is a cyclic number.

It is not a de Polignac number, because 305936249 - 2¹⁶ = 305870713 is a prime.

It is not a weakly prime, because it can be changed into another prime (305936849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152968124 + 152968125.

It is an arithmetic number, because the mean of its divisors is an integer number (152968125).

Almost surely, 2^305936249 is an apocalyptic number.

It is an amenable number.

305936249 is a deficient number, since it is larger than the sum of its proper divisors (1).

305936249 is an equidigital number, since it uses as much as digits as its factorization.

305936249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 305936249 is about 17491.0333885680. The cubic root of 305936249 is about 673.8196098178.

The spelling of 305936249 in words is "three hundred five million, nine hundred thirty-six thousand, two hundred forty-nine".