5128993 has 4 divisors (see below), whose sum is σ = 5398960. Its totient is φ = 4859028.

The previous prime is 5128987. The next prime is 5128999. The reversal of 5128993 is 3998215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (5128987) and next prime (5128999).

It is a cyclic number.

It is not a de Polignac number, because 5128993 - 2¹⁷ = 4997921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5128999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134955 + ... + 134992.

It is an arithmetic number, because the mean of its divisors is an integer number (1349740).

Almost surely, 2^5128993 is an apocalyptic number.

It is an amenable number.

5128993 is a deficient number, since it is larger than the sum of its proper divisors (269967).

5128993 is a wasteful number, since it uses less digits than its factorization.

5128993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269966.

The product of its digits is 19440, while the sum is 37.

The square root of 5128993 is about 2264.7280189904. The cubic root of 5128993 is about 172.4556267578.

The spelling of 5128993 in words is "five million, one hundred twenty-eight thousand, nine hundred ninety-three".