2148563 has 4 divisors (see below), whose sum is σ = 2175840. Its totient is φ = 2121288.

The previous prime is 2148547. The next prime is 2148583. The reversal of 2148563 is 3658412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2148563 - 2⁴ = 2148547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13520 + ... + 13677.

It is an arithmetic number, because the mean of its divisors is an integer number (543960).

2^2148563 is an apocalyptic number.

2148563 is a deficient number, since it is larger than the sum of its proper divisors (27277).

2148563 is an equidigital number, since it uses as much as digits as its factorization.

2148563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27276.

The product of its digits is 5760, while the sum is 29.

The square root of 2148563 is about 1465.7977350235. The cubic root of 2148563 is about 129.0375268904.

It can be divided in two parts, 21 and 48563, that added together give a palindrome (48584).

The spelling of 2148563 in words is "two million, one hundred forty-eight thousand, five hundred sixty-three".