5215111 has 4 divisors (see below), whose sum is σ = 5689224. Its totient is φ = 4741000.

The previous prime is 5215097. The next prime is 5215121. The reversal of 5215111 is 1115125.

5215111 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.

It is a de Polignac number, because none of the positive numbers 2^k-5215111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237040 + ... + 237061.

It is an arithmetic number, because the mean of its divisors is an integer number (1422306).

Almost surely, 2^5215111 is an apocalyptic number.

5215111 is a deficient number, since it is larger than the sum of its proper divisors (474113).

5215111 is a wasteful number, since it uses less digits than its factorization.

5215111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474112.

The product of its digits is 50, while the sum is 16.

The square root of 5215111 is about 2283.6617525369. The cubic root of 5215111 is about 173.4154759416.

The spelling of 5215111 in words is "five million, two hundred fifteen thousand, one hundred eleven".