5167993 has 4 divisors (see below), whose sum is σ = 5216400. Its totient is φ = 5119588.

The previous prime is 5167991. The next prime is 5168021. The reversal of 5167993 is 3997615.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3997615 = 5 ⋅799523.

It is a cyclic number.

It is not a de Polignac number, because 5167993 - 2¹ = 5167991 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5167991) 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, 24043 + ... + 24256.

It is an arithmetic number, because the mean of its divisors is an integer number (1304100).

Almost surely, 2^5167993 is an apocalyptic number.

It is an amenable number.

5167993 is a deficient number, since it is larger than the sum of its proper divisors (48407).

5167993 is a wasteful number, since it uses less digits than its factorization.

5167993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48406.

The product of its digits is 51030, while the sum is 40.

The square root of 5167993 is about 2273.3220185447. The cubic root of 5167993 is about 172.8916313749.

It can be divided in two parts, 51 and 67993, that multiplied together give a palindrome (3467643).

The spelling of 5167993 in words is "five million, one hundred sixty-seven thousand, nine hundred ninety-three".