249140063 has 2 divisors, whose sum is σ = 249140064. Its totient is φ = 249140062.

The previous prime is 249140051. The next prime is 249140077. The reversal of 249140063 is 360041942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249140063 - 2¹⁸ = 248877919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249140093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124570031 + 124570032.

It is an arithmetic number, because the mean of its divisors is an integer number (124570032).

Almost surely, 2^249140063 is an apocalyptic number.

249140063 is a deficient number, since it is larger than the sum of its proper divisors (1).

249140063 is an equidigital number, since it uses as much as digits as its factorization.

249140063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 249140063 is about 15784.1712801148. The cubic root of 249140063 is about 629.2373933638.

The spelling of 249140063 in words is "two hundred forty-nine million, one hundred forty thousand, sixty-three".