263224563 has 16 divisors (see below), whose sum is σ = 402420480. Its totient is φ = 149920416.

The previous prime is 263224529. The next prime is 263224567. The reversal of 263224563 is 365422362.

It is not a de Polignac number, because 263224563 - 2¹⁸ = 262962419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (263224567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13968 + ... + 26861.

It is an arithmetic number, because the mean of its divisors is an integer number (25151280).

Almost surely, 2^263224563 is an apocalyptic number.

263224563 is a deficient number, since it is larger than the sum of its proper divisors (139195917).

263224563 is a wasteful number, since it uses less digits than its factorization.

263224563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41146.

The product of its digits is 51840, while the sum is 33.

The square root of 263224563 is about 16224.1968368237. The cubic root of 263224563 is about 640.8781589271.

The spelling of 263224563 in words is "two hundred sixty-three million, two hundred twenty-four thousand, five hundred sixty-three".