249713207 has 2 divisors, whose sum is σ = 249713208. Its totient is φ = 249713206.

The previous prime is 249713201. The next prime is 249713213. The reversal of 249713207 is 702317942.

It is a balanced prime because it is at equal distance from previous prime (249713201) and next prime (249713213).

It is a cyclic number.

It is not a de Polignac number, because 249713207 - 2⁸ = 249712951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249713201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124856603 + 124856604.

It is an arithmetic number, because the mean of its divisors is an integer number (124856604).

Almost surely, 2^249713207 is an apocalyptic number.

249713207 is a deficient number, since it is larger than the sum of its proper divisors (1).

249713207 is an equidigital number, since it uses as much as digits as its factorization.

249713207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 249713207 is about 15802.3165073985. The cubic root of 249713207 is about 629.7195417491.

The spelling of 249713207 in words is "two hundred forty-nine million, seven hundred thirteen thousand, two hundred seven".