10863553 has 2 divisors, whose sum is σ = 10863554. Its totient is φ = 10863552.

The previous prime is 10863511. The next prime is 10863599. The reversal of 10863553 is 35536801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5992704 + 4870849 = 2448^2 + 2207^2 .

It is an emirp because it is prime and its reverse (35536801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10863553 is a prime.

It is not a weakly prime, because it can be changed into another prime (10863353) 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 as a sum of consecutive naturals, namely, 5431776 + 5431777.

It is an arithmetic number, because the mean of its divisors is an integer number (5431777).

Almost surely, 2^10863553 is an apocalyptic number.

It is an amenable number.

10863553 is a deficient number, since it is larger than the sum of its proper divisors (1).

10863553 is an equidigital number, since it uses as much as digits as its factorization.

10863553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 10863553 is about 3295.9904429473. The cubic root of 10863553 is about 221.4746186184.

The spelling of 10863553 in words is "ten million, eight hundred sixty-three thousand, five hundred fifty-three".