249446941 has 2 divisors, whose sum is σ = 249446942. Its totient is φ = 249446940.

The previous prime is 249446921. The next prime is 249446947. The reversal of 249446941 is 149644942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248724441 + 722500 = 15771^2 + 850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249446941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249446947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124723470 + 124723471.

It is an arithmetic number, because the mean of its divisors is an integer number (124723471).

Almost surely, 2^249446941 is an apocalyptic number.

It is an amenable number.

249446941 is a deficient number, since it is larger than the sum of its proper divisors (1).

249446941 is an equidigital number, since it uses as much as digits as its factorization.

249446941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The square root of 249446941 is about 15793.8893563302. The cubic root of 249446941 is about 629.4956415175.

The spelling of 249446941 in words is "two hundred forty-nine million, four hundred forty-six thousand, nine hundred forty-one".