249303163 has 2 divisors, whose sum is σ = 249303164. Its totient is φ = 249303162.

The previous prime is 249303139. The next prime is 249303167. The reversal of 249303163 is 361303942.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249303163 is a prime.

It is not a weakly prime, because it can be changed into another prime (249303167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124651581 + 124651582.

It is an arithmetic number, because the mean of its divisors is an integer number (124651582).

Almost surely, 2^249303163 is an apocalyptic number.

249303163 is a deficient number, since it is larger than the sum of its proper divisors (1).

249303163 is an equidigital number, since it uses as much as digits as its factorization.

249303163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 249303163 is about 15789.3370031803. The cubic root of 249303163 is about 629.3746738831.

The spelling of 249303163 in words is "two hundred forty-nine million, three hundred three thousand, one hundred sixty-three".