3156543 has 48 divisors (see below), whose sum is σ = 5574240. Its totient is φ = 1748736.

The previous prime is 3156541. The next prime is 3156557. The reversal of 3156543 is 3456513.

3156543 is a `hidden beast` number, since 3 + 1 + 5 + 654 + 3 = 666.

3156543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3156543 - 2¹ = 3156541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

3156543 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3156541) 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 in 47 ways as a sum of consecutive naturals, for example, 137230 + ... + 137252.

It is an arithmetic number, because the mean of its divisors is an integer number (116130).

Almost surely, 2^3156543 is an apocalyptic number.

3156543 is a deficient number, since it is larger than the sum of its proper divisors (2417697).

3156543 is a wasteful number, since it uses less digits than its factorization.

3156543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 56 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 3156543 is about 1776.6662601626. Note that the first 3 decimals coincide. The cubic root of 3156543 is about 146.6911466255.

The spelling of 3156543 in words is "three million, one hundred fifty-six thousand, five hundred forty-three".