5187428 has 12 divisors (see below), whose sum is σ = 9249660. Its totient is φ = 2544672.

The previous prime is 5187401. The next prime is 5187449. The reversal of 5187428 is 8247815.

It can be written as a sum of positive squares in 2 ways, for example, as 2166784 + 3020644 = 1472^2 + 1738^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12023 + ... + 12446.

It is an arithmetic number, because the mean of its divisors is an integer number (770805).

Almost surely, 2^5187428 is an apocalyptic number.

It is an amenable number.

5187428 is a deficient number, since it is larger than the sum of its proper divisors (4062232).

5187428 is a wasteful number, since it uses less digits than its factorization.

5187428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24526 (or 24524 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 5187428 is about 2277.5925886778. The cubic root of 5187428 is about 173.1080884227.

The spelling of 5187428 in words is "five million, one hundred eighty-seven thousand, four hundred twenty-eight".