263244967 has 2 divisors, whose sum is σ = 263244968. Its totient is φ = 263244966.

The previous prime is 263244953. The next prime is 263244991. The reversal of 263244967 is 769442362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263244967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263244937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131622483 + 131622484.

It is an arithmetic number, because the mean of its divisors is an integer number (131622484).

Almost surely, 2^263244967 is an apocalyptic number.

263244967 is a deficient number, since it is larger than the sum of its proper divisors (1).

263244967 is an equidigital number, since it uses as much as digits as its factorization.

263244967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 43.

The square root of 263244967 is about 16224.8256385084. The cubic root of 263244967 is about 640.8947178429.

The spelling of 263244967 in words is "two hundred sixty-three million, two hundred forty-four thousand, nine hundred sixty-seven".