263365463 has 2 divisors, whose sum is σ = 263365464. Its totient is φ = 263365462.

The previous prime is 263365447. The next prime is 263365469. The reversal of 263365463 is 364563362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263365463 - 2⁴ = 263365447 is a prime.

It is a super-2 number, since 2×263365463² = 138722734202408738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263365469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131682731 + 131682732.

It is an arithmetic number, because the mean of its divisors is an integer number (131682732).

Almost surely, 2^263365463 is an apocalyptic number.

263365463 is a deficient number, since it is larger than the sum of its proper divisors (1).

263365463 is an equidigital number, since it uses as much as digits as its factorization.

263365463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 38.

The square root of 263365463 is about 16228.5385355552. The cubic root of 263365463 is about 640.9924892216.

The spelling of 263365463 in words is "two hundred sixty-three million, three hundred sixty-five thousand, four hundred sixty-three".