5249128 has 8 divisors (see below), whose sum is σ = 9842130. Its totient is φ = 2624560.

The previous prime is 5249093. The next prime is 5249143. The reversal of 5249128 is 8219425.

It can be written as a sum of positive squares in only one way, i.e., 3755844 + 1493284 = 1938^2 + 1222^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 5249128.

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, 328063 + ... + 328078.

Almost surely, 2^5249128 is an apocalyptic number.

It is an amenable number.

5249128 is a deficient number, since it is larger than the sum of its proper divisors (4593002).

5249128 is a wasteful number, since it uses less digits than its factorization.

5249128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656147 (or 656143 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 5249128 is about 2291.0975535756. The cubic root of 5249128 is about 173.7917091870.

The spelling of 5249128 in words is "five million, two hundred forty-nine thousand, one hundred twenty-eight".