5221161 has 24 divisors (see below), whose sum is σ = 8588736. Its totient is φ = 3025440.

The previous prime is 5221157. The next prime is 5221169. The reversal of 5221161 is 1611225.

It is not a de Polignac number, because 5221161 - 2² = 5221157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5221169) 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 23 ways as a sum of consecutive naturals, for example, 1131 + ... + 3423.

It is an arithmetic number, because the mean of its divisors is an integer number (357864).

Almost surely, 2^5221161 is an apocalyptic number.

It is an amenable number.

5221161 is a deficient number, since it is larger than the sum of its proper divisors (3367575).

5221161 is a wasteful number, since it uses less digits than its factorization.

5221161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333 (or 2330 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 5221161 is about 2284.9859955807. The cubic root of 5221161 is about 173.4825092340.

Adding to 5221161 its reverse (1611225), we get a palindrome (6832386).

The spelling of 5221161 in words is "five million, two hundred twenty-one thousand, one hundred sixty-one".