5128775 has 6 divisors (see below), whose sum is σ = 6359712. Its totient is φ = 4103000.

The previous prime is 5128771. The next prime is 5128789. The reversal of 5128775 is 5778215.

5128775 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5128775 - 2² = 5128771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102551 + ... + 102600.

It is an arithmetic number, because the mean of its divisors is an integer number (1059952).

Almost surely, 2^5128775 is an apocalyptic number.

5128775 is a deficient number, since it is larger than the sum of its proper divisors (1230937).

5128775 is a wasteful number, since it uses less digits than its factorization.

5128775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205161 (or 205156 counting only the distinct ones).

The product of its digits is 19600, while the sum is 35.

The square root of 5128775 is about 2264.6798890792. The cubic root of 5128775 is about 172.4531834024.

The spelling of 5128775 in words is "five million, one hundred twenty-eight thousand, seven hundred seventy-five".