5681571 has 8 divisors (see below), whose sum is σ = 8657664. Its totient is φ = 3246600.

The previous prime is 5681567. The next prime is 5681579. The reversal of 5681571 is 1751865.

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

It is not a de Polignac number, because 5681571 - 2² = 5681567 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5681579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135255 + ... + 135296.

It is an arithmetic number, because the mean of its divisors is an integer number (1082208).

Almost surely, 2^5681571 is an apocalyptic number.

5681571 is a deficient number, since it is larger than the sum of its proper divisors (2976093).

5681571 is a wasteful number, since it uses less digits than its factorization.

5681571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270561.

The product of its digits is 8400, while the sum is 33.

The square root of 5681571 is about 2383.6046232545. The cubic root of 5681571 is about 178.4388761992.

The spelling of 5681571 in words is "five million, six hundred eighty-one thousand, five hundred seventy-one".