249568063 has 2 divisors, whose sum is σ = 249568064. Its totient is φ = 249568062.

The previous prime is 249568061. The next prime is 249568117. The reversal of 249568063 is 360865942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249568063 - 2¹ = 249568061 is a prime.

Together with 249568061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249568061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124784031 + 124784032.

It is an arithmetic number, because the mean of its divisors is an integer number (124784032).

Almost surely, 2^249568063 is an apocalyptic number.

249568063 is a deficient number, since it is larger than the sum of its proper divisors (1).

249568063 is an equidigital number, since it uses as much as digits as its factorization.

249568063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 249568063 is about 15797.7233486348. The cubic root of 249568063 is about 629.5975114561.

The spelling of 249568063 in words is "two hundred forty-nine million, five hundred sixty-eight thousand, sixty-three".