249952793 has 2 divisors, whose sum is σ = 249952794. Its totient is φ = 249952792.

The previous prime is 249952789. The next prime is 249952811. The reversal of 249952793 is 397259942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151486864 + 98465929 = 12308^2 + 9923^2 .

It is a cyclic number.

It is not a de Polignac number, because 249952793 - 2² = 249952789 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (249952763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124976396 + 124976397.

It is an arithmetic number, because the mean of its divisors is an integer number (124976397).

Almost surely, 2^249952793 is an apocalyptic number.

It is an amenable number.

249952793 is a deficient number, since it is larger than the sum of its proper divisors (1).

249952793 is an equidigital number, since it uses as much as digits as its factorization.

249952793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 50.

The square root of 249952793 is about 15809.8954139488. The cubic root of 249952793 is about 629.9208710561.

The spelling of 249952793 in words is "two hundred forty-nine million, nine hundred fifty-two thousand, seven hundred ninety-three".