4156563 has 4 divisors (see below), whose sum is σ = 5542088. Its totient is φ = 2771040.

The previous prime is 4156561. The next prime is 4156571. The reversal of 4156563 is 3656514.

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

It is not a de Polignac number, because 4156563 - 2¹ = 4156561 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4156563.

It is not an unprimeable number, because it can be changed into a prime (4156561) 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, 692758 + ... + 692763.

It is an arithmetic number, because the mean of its divisors is an integer number (1385522).

Almost surely, 2^4156563 is an apocalyptic number.

4156563 is a deficient number, since it is larger than the sum of its proper divisors (1385525).

4156563 is a wasteful number, since it uses less digits than its factorization.

4156563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385524.

The product of its digits is 10800, while the sum is 30.

The square root of 4156563 is about 2038.7650673876. The cubic root of 4156563 is about 160.7847257217.

The spelling of 4156563 in words is "four million, one hundred fifty-six thousand, five hundred sixty-three".