249441163 has 2 divisors, whose sum is σ = 249441164. Its totient is φ = 249441162.

The previous prime is 249441133. The next prime is 249441167. The reversal of 249441163 is 361144942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249441163 - 2²¹ = 247344011 is a prime.

It is not a weakly prime, because it can be changed into another prime (249441167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124720581 + 124720582.

It is an arithmetic number, because the mean of its divisors is an integer number (124720582).

Almost surely, 2^249441163 is an apocalyptic number.

249441163 is a deficient number, since it is larger than the sum of its proper divisors (1).

249441163 is an equidigital number, since it uses as much as digits as its factorization.

249441163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 249441163 is about 15793.7064364259. The cubic root of 249441163 is about 629.4907810932.

The spelling of 249441163 in words is "two hundred forty-nine million, four hundred forty-one thousand, one hundred sixty-three".