5681043 has 16 divisors (see below), whose sum is σ = 8912160. Its totient is φ = 3564288.

The previous prime is 5681033. The next prime is 5681059. The reversal of 5681043 is 3401865.

It is not a de Polignac number, because 5681043 - 2¹⁰ = 5680019 is a prime.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5680998 and 5681016.

It is not an unprimeable number, because it can be changed into a prime (5681003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5730 + ... + 6647.

It is an arithmetic number, because the mean of its divisors is an integer number (557010).

Almost surely, 2^5681043 is an apocalyptic number.

5681043 is a deficient number, since it is larger than the sum of its proper divisors (3231117).

5681043 is a wasteful number, since it uses less digits than its factorization.

5681043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12403 (or 12397 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 5681043 is about 2383.4938640576. The cubic root of 5681043 is about 178.4333484649.

The spelling of 5681043 in words is "five million, six hundred eighty-one thousand, forty-three".