5155 has 4 divisors (see below), whose sum is σ = 6192. Its totient is φ = 4120.

The previous prime is 5153. The next prime is 5167. The reversal of 5155 is 5515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5515 = 5 ⋅1103.

It is not a de Polignac number, because 5155 - 2¹ = 5153 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (5153) 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, 511 + ... + 520.

It is an arithmetic number, because the mean of its divisors is an integer number (1548).

2⁵¹⁵⁵ is an apocalyptic number.

5155 is a deficient number, since it is larger than the sum of its proper divisors (1037).

5155 is a wasteful number, since it uses less digits than its factorization.

5155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its digits is 125, while the sum is 16.

The square root of 5155 is about 71.7983286714. The cubic root of 5155 is about 17.2746619171.

The spelling of 5155 in words is "five thousand, one hundred fifty-five".