260802563 has 8 divisors (see below), whose sum is σ = 299123040. Its totient is φ = 222747840.

The previous prime is 260802551. The next prime is 260802601. The reversal of 260802563 is 365208062.

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

It is not a de Polignac number, because 260802563 - 2²⁰ = 259753987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260802533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64328 + ... + 68261.

It is an arithmetic number, because the mean of its divisors is an integer number (37390380).

Almost surely, 2^260802563 is an apocalyptic number.

260802563 is a deficient number, since it is larger than the sum of its proper divisors (38320477).

260802563 is a wasteful number, since it uses less digits than its factorization.

260802563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132877.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 260802563 is about 16149.3827436221. The cubic root of 260802563 is about 638.9064683836.

The spelling of 260802563 in words is "two hundred sixty million, eight hundred two thousand, five hundred sixty-three".