5081993 has 4 divisors (see below), whose sum is σ = 5808000. Its totient is φ = 4355988.

The previous prime is 5081983. The next prime is 5082001. The reversal of 5081993 is 3991805.

5081993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-5081993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5081903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362993 + ... + 363006.

It is an arithmetic number, because the mean of its divisors is an integer number (1452000).

Almost surely, 2^5081993 is an apocalyptic number.

It is an amenable number.

5081993 is a deficient number, since it is larger than the sum of its proper divisors (726007).

5081993 is an equidigital number, since it uses as much as digits as its factorization.

5081993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726006.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 5081993 is about 2254.3276159423. The cubic root of 5081993 is about 171.9272384685.

The spelling of 5081993 in words is "five million, eighty-one thousand, nine hundred ninety-three".