263141563 has 8 divisors (see below), whose sum is σ = 272497680. Its totient is φ = 253804320.

The previous prime is 263141539. The next prime is 263141573. The reversal of 263141563 is 365141362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 263141563 - 2¹³ = 263133371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263141573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27481 + ... + 35797.

It is an arithmetic number, because the mean of its divisors is an integer number (34062210).

Almost surely, 2^263141563 is an apocalyptic number.

263141563 is a deficient number, since it is larger than the sum of its proper divisors (9356117).

263141563 is a wasteful number, since it uses less digits than its factorization.

263141563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437.

The product of its digits is 12960, while the sum is 31.

The square root of 263141563 is about 16221.6387273296. The cubic root of 263141563 is about 640.8107912538.

The spelling of 263141563 in words is "two hundred sixty-three million, one hundred forty-one thousand, five hundred sixty-three".