5681349 has 24 divisors (see below), whose sum is σ = 8828352. Its totient is φ = 3507840.

The previous prime is 5681327. The next prime is 5681369. The reversal of 5681349 is 9431865.

It is not a de Polignac number, because 5681349 - 2⁵ = 5681317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681309) 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 23 ways as a sum of consecutive naturals, for example, 10602 + ... + 11124.

It is an arithmetic number, because the mean of its divisors is an integer number (367848).

Almost surely, 2^5681349 is an apocalyptic number.

It is an amenable number.

5681349 is a deficient number, since it is larger than the sum of its proper divisors (3147003).

5681349 is a wasteful number, since it uses less digits than its factorization.

5681349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 614 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 5681349 is about 2383.5580546737. The cubic root of 5681349 is about 178.4365520799.

The spelling of 5681349 in words is "five million, six hundred eighty-one thousand, three hundred forty-nine".