2146563 has 12 divisors (see below), whose sum is σ = 3264040. Its totient is φ = 1355616.

The previous prime is 2146561. The next prime is 2146589. The reversal of 2146563 is 3656412.

2146563 is a `hidden beast` number, since 2 + 1 + 4 + 656 + 3 = 666.

It is not a de Polignac number, because 2146563 - 2¹ = 2146561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6106 + ... + 6447.

2^2146563 is an apocalyptic number.

2146563 is a deficient number, since it is larger than the sum of its proper divisors (1117477).

2146563 is a wasteful number, since it uses less digits than its factorization.

2146563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12578 (or 12575 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2146563 is about 1465.1153538203. The cubic root of 2146563 is about 128.9974760638.

It can be divided in two parts, 21465 and 63, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 2146563 in words is "two million, one hundred forty-six thousand, five hundred sixty-three".