5315128 has 64 divisors (see below), whose sum is σ = 12600000. Its totient is φ = 2088576.

The previous prime is 5315099. The next prime is 5315143. The reversal of 5315128 is 8215135.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35598 + ... + 35746.

It is an arithmetic number, because the mean of its divisors is an integer number (196875).

Almost surely, 2^5315128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5315128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6300000).

5315128 is an abundant number, since it is smaller than the sum of its proper divisors (7284872).

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

5315128 is a wasteful number, since it uses less digits than its factorization.

5315128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 171 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 5315128 is about 2305.4561370800. The cubic root of 5315128 is about 174.5170685241.

The spelling of 5315128 in words is "five million, three hundred fifteen thousand, one hundred twenty-eight".