249441263 has 2 divisors, whose sum is σ = 249441264. Its totient is φ = 249441262.

The previous prime is 249441259. The next prime is 249441287. The reversal of 249441263 is 362144942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249441263 - 2² = 249441259 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249441163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124720631 + 124720632.

It is an arithmetic number, because the mean of its divisors is an integer number (124720632).

Almost surely, 2^249441263 is an apocalyptic number.

249441263 is a deficient number, since it is larger than the sum of its proper divisors (1).

249441263 is an equidigital number, since it uses as much as digits as its factorization.

249441263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 249441263 is about 15793.7096022435. The cubic root of 249441263 is about 629.4908652133.

The spelling of 249441263 in words is "two hundred forty-nine million, four hundred forty-one thousand, two hundred sixty-three".