5128885 has 16 divisors (see below), whose sum is σ = 6499584. Its totient is φ = 3877632.

The previous prime is 5128873. The next prime is 5128889. The reversal of 5128885 is 5888215.

It is a cyclic number.

It is not a de Polignac number, because 5128885 - 2¹⁹ = 4604597 is a prime.

It is a super-2 number, since 2×5128885² = 52610922686450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128889) 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 15 ways as a sum of consecutive naturals, for example, 11629 + ... + 12061.

It is an arithmetic number, because the mean of its divisors is an integer number (406224).

Almost surely, 2^5128885 is an apocalyptic number.

It is an amenable number.

5128885 is a deficient number, since it is larger than the sum of its proper divisors (1370699).

5128885 is a wasteful number, since it uses less digits than its factorization.

5128885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564.

The product of its digits is 25600, while the sum is 37.

The square root of 5128885 is about 2264.7041749421. The cubic root of 5128885 is about 172.4544162968.

The spelling of 5128885 in words is "five million, one hundred twenty-eight thousand, eight hundred eighty-five".