249846043 has 2 divisors, whose sum is σ = 249846044. Its totient is φ = 249846042.

The previous prime is 249846007. The next prime is 249846053. The reversal of 249846043 is 340648942.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249846043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 249845987 and 249846005.

It is not a weakly prime, because it can be changed into another prime (249846053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124923021 + 124923022.

It is an arithmetic number, because the mean of its divisors is an integer number (124923022).

Almost surely, 2^249846043 is an apocalyptic number.

249846043 is a deficient number, since it is larger than the sum of its proper divisors (1).

249846043 is an equidigital number, since it uses as much as digits as its factorization.

249846043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 249846043 is about 15806.5190032467. The cubic root of 249846043 is about 629.8311826162.

The spelling of 249846043 in words is "two hundred forty-nine million, eight hundred forty-six thousand, forty-three".