249414943 has 2 divisors, whose sum is σ = 249414944. Its totient is φ = 249414942.

The previous prime is 249414941. The next prime is 249414953. The reversal of 249414943 is 349414942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249414943 - 2¹ = 249414941 is a prime.

Together with 249414941, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 249414896 and 249414905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249414941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124707471 + 124707472.

It is an arithmetic number, because the mean of its divisors is an integer number (124707472).

Almost surely, 2^249414943 is an apocalyptic number.

249414943 is a deficient number, since it is larger than the sum of its proper divisors (1).

249414943 is an equidigital number, since it uses as much as digits as its factorization.

249414943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 40.

The square root of 249414943 is about 15792.8763371338. The cubic root of 249414943 is about 629.4687240191.

Subtracting 249414943 from its reverse (349414942), we obtain a palindrome (99999999).

The spelling of 249414943 in words is "two hundred forty-nine million, four hundred fourteen thousand, nine hundred forty-three".