263715255 has 48 divisors (see below), whose sum is σ = 464861280. Its totient is φ = 138288384.

The previous prime is 263715251. The next prime is 263715289. The reversal of 263715255 is 552517362.

263715255 is a `hidden beast` number, since 2 + 63 + 71 + 525 + 5 = 666.

It is not a de Polignac number, because 263715255 - 2² = 263715251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263715251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1151481 + ... + 1151709.

It is an arithmetic number, because the mean of its divisors is an integer number (9684610).

Almost surely, 2^263715255 is an apocalyptic number.

263715255 is a deficient number, since it is larger than the sum of its proper divisors (201146025).

263715255 is a wasteful number, since it uses less digits than its factorization.

263715255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 557 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 263715255 is about 16239.3120236049. The cubic root of 263715255 is about 641.2761443007.

It can be divided in two parts, 26371 and 5255, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 263715255 in words is "two hundred sixty-three million, seven hundred fifteen thousand, two hundred fifty-five".