249435313 has 2 divisors, whose sum is σ = 249435314. Its totient is φ = 249435312.

The previous prime is 249435289. The next prime is 249435337. The reversal of 249435313 is 313534942.

It is a balanced prime because it is at equal distance from previous prime (249435289) and next prime (249435337).

It can be written as a sum of positive squares in only one way, i.e., 197767969 + 51667344 = 14063^2 + 7188^2 .

It is a cyclic number.

It is not a de Polignac number, because 249435313 - 2⁵ = 249435281 is a prime.

It is not a weakly prime, because it can be changed into another prime (249435353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124717656 + 124717657.

It is an arithmetic number, because the mean of its divisors is an integer number (124717657).

Almost surely, 2^249435313 is an apocalyptic number.

It is an amenable number.

249435313 is a deficient number, since it is larger than the sum of its proper divisors (1).

249435313 is an equidigital number, since it uses as much as digits as its factorization.

249435313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 34.

The square root of 249435313 is about 15793.5212349875. The cubic root of 249435313 is about 629.4858600264.

The spelling of 249435313 in words is "two hundred forty-nine million, four hundred thirty-five thousand, three hundred thirteen".