263248567 has 2 divisors, whose sum is σ = 263248568. Its totient is φ = 263248566.

The previous prime is 263248541. The next prime is 263248627. The reversal of 263248567 is 765842362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263248567 - 2¹⁹ = 262724279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263248507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131624283 + 131624284.

It is an arithmetic number, because the mean of its divisors is an integer number (131624284).

Almost surely, 2^263248567 is an apocalyptic number.

263248567 is a deficient number, since it is larger than the sum of its proper divisors (1).

263248567 is an equidigital number, since it uses as much as digits as its factorization.

263248567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 43.

The square root of 263248567 is about 16224.9365792289. The cubic root of 263248567 is about 640.8976393428.

The spelling of 263248567 in words is "two hundred sixty-three million, two hundred forty-eight thousand, five hundred sixty-seven".