5128538 has 8 divisors (see below), whose sum is σ = 7709088. Its totient is φ = 2558844.

The previous prime is 5128523. The next prime is 5128549. The reversal of 5128538 is 8358215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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, 1406 + ... + 3497.

It is an arithmetic number, because the mean of its divisors is an integer number (963636).

Almost surely, 2^5128538 is an apocalyptic number.

5128538 is a deficient number, since it is larger than the sum of its proper divisors (2580550).

5128538 is a wasteful number, since it uses less digits than its factorization.

5128538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428.

The product of its digits is 9600, while the sum is 32.

The square root of 5128538 is about 2264.6275631989. The cubic root of 5128538 is about 172.4505270153.

The spelling of 5128538 in words is "five million, one hundred twenty-eight thousand, five hundred thirty-eight".