5517121 has 4 divisors (see below), whose sum is σ = 5592772. Its totient is φ = 5441472.

The previous prime is 5517091. The next prime is 5517131. The reversal of 5517121 is 1217155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1217155 = 5 ⋅243431.

It can be written as a sum of positive squares in 2 ways, for example, as 2146225 + 3370896 = 1465^2 + 1836^2 .

It is a cyclic number.

It is not a de Polignac number, because 5517121 - 2⁵ = 5517089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5517092 and 5517101.

It is not an unprimeable number, because it can be changed into a prime (5517131) 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, 37716 + ... + 37861.

It is an arithmetic number, because the mean of its divisors is an integer number (1398193).

Almost surely, 2^5517121 is an apocalyptic number.

It is an amenable number.

5517121 is a deficient number, since it is larger than the sum of its proper divisors (75651).

5517121 is an equidigital number, since it uses as much as digits as its factorization.

5517121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75650.

The product of its digits is 350, while the sum is 22.

The square root of 5517121 is about 2348.8552530967. The cubic root of 5517121 is about 176.7003879304.

The spelling of 5517121 in words is "five million, five hundred seventeen thousand, one hundred twenty-one".