516155 has 4 divisors (see below), whose sum is σ = 619392. Its totient is φ = 412920.

The previous prime is 516151. The next prime is 516157. The reversal of 516155 is 551615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551615 = 5 ⋅110323.

It is not a de Polignac number, because 516155 - 2² = 516151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516155.

It is not an unprimeable number, because it can be changed into a prime (516151) 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, 51611 + ... + 51620.

It is an arithmetic number, because the mean of its divisors is an integer number (154848).

2⁵¹⁶¹⁵⁵ is an apocalyptic number.

516155 is a deficient number, since it is larger than the sum of its proper divisors (103237).

516155 is a wasteful number, since it uses less digits than its factorization.

516155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103236.

The product of its digits is 750, while the sum is 23.

The square root of 516155 is about 718.4392806633. The cubic root of 516155 is about 80.2158234792.

The spelling of 516155 in words is "five hundred sixteen thousand, one hundred fifty-five".