5217128 has 24 divisors (see below), whose sum is σ = 11380050. Its totient is φ = 2235744.

The previous prime is 5217101. The next prime is 5217133. The reversal of 5217128 is 8217125.

It can be written as a sum of positive squares in only one way, i.e., 5207524 + 9604 = 2282^2 + 98^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5217097 and 5217106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6263 + ... + 7046.

Almost surely, 2^5217128 is an apocalyptic number.

It is an amenable number.

5217128 is an abundant number, since it is smaller than the sum of its proper divisors (6162922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5217128 is a wasteful number, since it uses less digits than its factorization.

5217128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13329 (or 13318 counting only the distinct ones).

The product of its digits is 1120, while the sum is 26.

The square root of 5217128 is about 2284.1033251585. The cubic root of 5217128 is about 173.4378298238.

The spelling of 5217128 in words is "five million, two hundred seventeen thousand, one hundred twenty-eight".