249673343 has 2 divisors, whose sum is σ = 249673344. Its totient is φ = 249673342.

The previous prime is 249673337. The next prime is 249673381. The reversal of 249673343 is 343376942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249673343 - 2⁶ = 249673279 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 249673343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249673043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124836671 + 124836672.

It is an arithmetic number, because the mean of its divisors is an integer number (124836672).

Almost surely, 2^249673343 is an apocalyptic number.

249673343 is a deficient number, since it is larger than the sum of its proper divisors (1).

249673343 is an equidigital number, since it uses as much as digits as its factorization.

249673343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 41.

The square root of 249673343 is about 15801.0551229973. The cubic root of 249673343 is about 629.6860306718.

The spelling of 249673343 in words is "two hundred forty-nine million, six hundred seventy-three thousand, three hundred forty-three".