2147563 has 8 divisors (see below), whose sum is σ = 2367216. Its totient is φ = 1932000.

The previous prime is 2147527. The next prime is 2147569. The reversal of 2147563 is 3657412.

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

It is a cyclic number.

It is not a de Polignac number, because 2147563 - 2⁹ = 2147051 is a prime.

It is a super-2 number, since 2×2147563² = 9224053677938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2147569) 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, 145 + ... + 2077.

It is an arithmetic number, because the mean of its divisors is an integer number (295902).

2^2147563 is an apocalyptic number.

2147563 is a deficient number, since it is larger than the sum of its proper divisors (219653).

2147563 is a wasteful number, since it uses less digits than its factorization.

2147563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045.

The product of its digits is 5040, while the sum is 28.

The square root of 2147563 is about 1465.4565841402. The cubic root of 2147563 is about 129.0175045853.

It can be divided in two parts, 214 and 7563, that added together give a palindrome (7777).

The spelling of 2147563 in words is "two million, one hundred forty-seven thousand, five hundred sixty-three".