5271808 has 18 divisors (see below), whose sum is σ = 10523534. Its totient is φ = 2635776.

The previous prime is 5271793. The next prime is 5271811. The reversal of 5271808 is 8081725.

It can be written as a sum of positive squares in only one way, i.e., 5234944 + 36864 = 2288^2 + 192^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5271808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10041 + ... + 10552.

Almost surely, 2^5271808 is an apocalyptic number.

It is an amenable number.

5271808 is a deficient number, since it is larger than the sum of its proper divisors (5251726).

5271808 is an equidigital number, since it uses as much as digits as its factorization.

5271808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20609 (or 20595 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 5271808 is about 2296.0418114660. The cubic root of 5271808 is about 174.0416511907.

The spelling of 5271808 in words is "five million, two hundred seventy-one thousand, eight hundred eight".