249469043 has 2 divisors, whose sum is σ = 249469044. Its totient is φ = 249469042.

The previous prime is 249469037. The next prime is 249469081. The reversal of 249469043 is 340964942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249469043 - 2¹⁴ = 249452659 is a prime.

It is not a weakly prime, because it can be changed into another prime (249469013) 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, 124734521 + 124734522.

It is an arithmetic number, because the mean of its divisors is an integer number (124734522).

Almost surely, 2^249469043 is an apocalyptic number.

249469043 is a deficient number, since it is larger than the sum of its proper divisors (1).

249469043 is an equidigital number, since it uses as much as digits as its factorization.

249469043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 249469043 is about 15794.5890418206. The cubic root of 249469043 is about 629.5142329151.

The spelling of 249469043 in words is "two hundred forty-nine million, four hundred sixty-nine thousand, forty-three".