2265740249 has 2 divisors, whose sum is σ = 2265740250. Its totient is φ = 2265740248.

The previous prime is 2265740227. The next prime is 2265740341. The reversal of 2265740249 is 9420475622.

2265740249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1760389849 + 505350400 = 41957^2 + 22480^2 .

It is a cyclic number.

It is not a de Polignac number, because 2265740249 - 2¹⁶ = 2265674713 is a prime.

It is not a weakly prime, because it can be changed into another prime (2265740209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132870124 + 1132870125.

It is an arithmetic number, because the mean of its divisors is an integer number (1132870125).

Almost surely, 2^2265740249 is an apocalyptic number.

It is an amenable number.

2265740249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265740249 is an equidigital number, since it uses as much as digits as its factorization.

2265740249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 2265740249 is about 47599.7925310605. The cubic root of 2265740249 is about 1313.4192379341.

It can be divided in two parts, 226 and 5740249, that added together give a palindrome (5740475).

The spelling of 2265740249 in words is "two billion, two hundred sixty-five million, seven hundred forty thousand, two hundred forty-nine".