263955047 has 2 divisors, whose sum is σ = 263955048. Its totient is φ = 263955046.

The previous prime is 263955031. The next prime is 263955053. The reversal of 263955047 is 740559362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263955047 - 2⁴ = 263955031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263954995 and 263955013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263958047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131977523 + 131977524.

It is an arithmetic number, because the mean of its divisors is an integer number (131977524).

Almost surely, 2^263955047 is an apocalyptic number.

263955047 is a deficient number, since it is larger than the sum of its proper divisors (1).

263955047 is an equidigital number, since it uses as much as digits as its factorization.

263955047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 263955047 is about 16246.6934174311. The cubic root of 263955047 is about 641.4704527478.

The spelling of 263955047 in words is "two hundred sixty-three million, nine hundred fifty-five thousand, forty-seven".