10802563 has 4 divisors (see below), whose sum is σ = 10810800. Its totient is φ = 10794328.

The previous prime is 10802521. The next prime is 10802581. The reversal of 10802563 is 36520801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36520801 = 467 ⋅78203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10802563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10802593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663 + ... + 4936.

It is an arithmetic number, because the mean of its divisors is an integer number (2702700).

Almost surely, 2^10802563 is an apocalyptic number.

10802563 is a deficient number, since it is larger than the sum of its proper divisors (8237).

10802563 is an equidigital number, since it uses as much as digits as its factorization.

10802563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 10802563 is about 3286.7252699305. The cubic root of 10802563 is about 221.0593740405.

The spelling of 10802563 in words is "ten million, eight hundred two thousand, five hundred sixty-three".