230090249 has 2 divisors, whose sum is σ = 230090250. Its totient is φ = 230090248.

The previous prime is 230090227. The next prime is 230090279. The reversal of 230090249 is 942090032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213744400 + 16345849 = 14620^2 + 4043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230090249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (230090279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115045124 + 115045125.

It is an arithmetic number, because the mean of its divisors is an integer number (115045125).

Almost surely, 2^230090249 is an apocalyptic number.

It is an amenable number.

230090249 is a deficient number, since it is larger than the sum of its proper divisors (1).

230090249 is an equidigital number, since it uses as much as digits as its factorization.

230090249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 230090249 is about 15168.7260176984. The cubic root of 230090249 is about 612.7726945674.

The spelling of 230090249 in words is "two hundred thirty million, ninety thousand, two hundred forty-nine".