5105161 has 2 divisors, whose sum is σ = 5105162. Its totient is φ = 5105160.

The previous prime is 5105143. The next prime is 5105171. The reversal of 5105161 is 1615015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5089536 + 15625 = 2256^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 5105161 - 2¹³ = 5096969 is a prime.

It is not a weakly prime, because it can be changed into another prime (5105101) 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 as a sum of consecutive naturals, namely, 2552580 + 2552581.

It is an arithmetic number, because the mean of its divisors is an integer number (2552581).

Almost surely, 2^5105161 is an apocalyptic number.

5105161 is the 1305-th hex number.

It is an amenable number.

5105161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105161 is an equidigital number, since it uses as much as digits as its factorization.

5105161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 5105161 is about 2259.4603337965. The cubic root of 5105161 is about 172.1881054554.

It can be divided in two parts, 510 and 5161, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 5105161 in words is "five million, one hundred five thousand, one hundred sixty-one".