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5169 = 31723

5169 has 4 divisors (see below), whose sum is σ = 6896. Its totient is φ = 3444.

The previous prime is 5167. The next prime is 5171. The reversal of 5169 is 9615.

It can be divided in two parts, 516 and 9, that added together give a palindrome (525).

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 (5167) and next prime (5171).

It is not a de Polignac number, because 5169 - 21 = 5167 is a prime.

It is a super-2 number, since 2×51692 = 53437122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

5169 is a lucky number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (5167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859 + ... + 864.

It is an arithmetic number, because the mean of its divisors is an integer number (1724).

25169 is an apocalyptic number.

It is an amenable number.

5169 is a deficient number, since it is larger than the sum of its proper divisors (1727).

5169 is a wasteful number, since it uses less digits than its factorization.

5169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726.

The product of its digits is 270, while the sum is 21.

The square root of 5169 is about 71.8957578721. The cubic root of 5169 is about 17.2902860142.

The spelling of 5169 in words is "five thousand, one hundred sixty-nine".

Divisors: 1 3 1723 5169