5681607 has 8 divisors (see below), whose sum is σ = 7588080. Its totient is φ = 3781440.

The previous prime is 5681603. The next prime is 5681617. The reversal of 5681607 is 7061865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5681607 - 2² = 5681603 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681603) 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, 1257 + ... + 3597.

It is an arithmetic number, because the mean of its divisors is an integer number (948510).

Almost surely, 2^5681607 is an apocalyptic number.

5681607 is a deficient number, since it is larger than the sum of its proper divisors (1906473).

5681607 is a wasteful number, since it uses less digits than its factorization.

5681607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 5681607 is about 2383.6121748305. The cubic root of 5681607 is about 178.4392530777.

The spelling of 5681607 in words is "five million, six hundred eighty-one thousand, six hundred seven".