5121161 has 2 divisors, whose sum is σ = 5121162. Its totient is φ = 5121160.

The previous prime is 5121143. The next prime is 5121173. The reversal of 5121161 is 1611215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3728761 + 1392400 = 1931^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 5121161 - 2¹⁸ = 4859017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5121191) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560580 + 2560581.

It is an arithmetic number, because the mean of its divisors is an integer number (2560581).

Almost surely, 2^5121161 is an apocalyptic number.

It is an amenable number.

5121161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121161 is an equidigital number, since it uses as much as digits as its factorization.

5121161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60, while the sum is 17.

The square root of 5121161 is about 2262.9982324341. The cubic root of 5121161 is about 172.3678018152.

Adding to 5121161 its reverse (1611215), we get a palindrome (6732376).

It can be divided in two parts, 51 and 21161, that added together give a palindrome (21212).

The spelling of 5121161 in words is "five million, one hundred twenty-one thousand, one hundred sixty-one".