249713227 has 2 divisors, whose sum is σ = 249713228. Its totient is φ = 249713226.

The previous prime is 249713213. The next prime is 249713267. The reversal of 249713227 is 722317942.

249713227 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 is a cyclic number.

It is not a de Polignac number, because 249713227 - 2⁷ = 249713099 is a prime.

It is not a weakly prime, because it can be changed into another prime (249713207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124856613 + 124856614.

It is an arithmetic number, because the mean of its divisors is an integer number (124856614).

Almost surely, 2^249713227 is an apocalyptic number.

249713227 is a deficient number, since it is larger than the sum of its proper divisors (1).

249713227 is an equidigital number, since it uses as much as digits as its factorization.

249713227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 249713227 is about 15802.3171402171. The cubic root of 249713227 is about 629.7195585609.

The spelling of 249713227 in words is "two hundred forty-nine million, seven hundred thirteen thousand, two hundred twenty-seven".