5681523 has 8 divisors (see below), whose sum is σ = 7704000. Its totient is φ = 3723368.

The previous prime is 5681521. The next prime is 5681531. The reversal of 5681523 is 3251865.

5681523 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5681523 - 2¹ = 5681521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5681521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15873 + ... + 16226.

It is an arithmetic number, because the mean of its divisors is an integer number (963000).

Almost surely, 2^5681523 is an apocalyptic number.

5681523 is a deficient number, since it is larger than the sum of its proper divisors (2022477).

5681523 is a wasteful number, since it uses less digits than its factorization.

5681523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32161.

The product of its digits is 7200, while the sum is 30.

The square root of 5681523 is about 2383.5945544492. The cubic root of 5681523 is about 178.4383736921.

It can be divided in two parts, 5 and 681523, that added together give a triangular number (681528 = T₁₁₆₇).

The spelling of 5681523 in words is "five million, six hundred eighty-one thousand, five hundred twenty-three".