249713267 has 2 divisors, whose sum is σ = 249713268. Its totient is φ = 249713266.

The previous prime is 249713227. The next prime is 249713291. The reversal of 249713267 is 762317942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249713267 - 2⁸ = 249713011 is a prime.

It is a Chen 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, 124856633 + 124856634.

It is an arithmetic number, because the mean of its divisors is an integer number (124856634).

Almost surely, 2^249713267 is an apocalyptic number.

249713267 is a deficient number, since it is larger than the sum of its proper divisors (1).

249713267 is an equidigital number, since it uses as much as digits as its factorization.

249713267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 249713267 is about 15802.3184058542. The cubic root of 249713267 is about 629.7195921845.

The spelling of 249713267 in words is "two hundred forty-nine million, seven hundred thirteen thousand, two hundred sixty-seven".