5271688 has 8 divisors (see below), whose sum is σ = 9884430. Its totient is φ = 2635840.

The previous prime is 5271677. The next prime is 5271701. The reversal of 5271688 is 8861725.

It can be written as a sum of positive squares in only one way, i.e., 4235364 + 1036324 = 2058^2 + 1018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329473 + ... + 329488.

Almost surely, 2^5271688 is an apocalyptic number.

It is an amenable number.

5271688 is a deficient number, since it is larger than the sum of its proper divisors (4612742).

5271688 is a wasteful number, since it uses less digits than its factorization.

5271688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658967 (or 658963 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 5271688 is about 2296.0156793890. The cubic root of 5271688 is about 174.0403306345.

Adding to 5271688 its sum of digits (37), we get a palindrome (5271725).

The spelling of 5271688 in words is "five million, two hundred seventy-one thousand, six hundred eighty-eight".