61050161 has 2 divisors, whose sum is σ = 61050162. Its totient is φ = 61050160.

The previous prime is 61050149. The next prime is 61050163. The reversal of 61050161 is 16105016.

It is a happy number.

61050161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45495025 + 15555136 = 6745^2 + 3944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61050161 is a prime.

Together with 61050163, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (61050163) 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 as a sum of consecutive naturals, namely, 30525080 + 30525081.

It is an arithmetic number, because the mean of its divisors is an integer number (30525081).

Almost surely, 2^61050161 is an apocalyptic number.

It is an amenable number.

61050161 is a deficient number, since it is larger than the sum of its proper divisors (1).

61050161 is an equidigital number, since it uses as much as digits as its factorization.

61050161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 61050161 is about 7813.4602449875. The cubic root of 61050161 is about 393.7575896412.

Adding to 61050161 its reverse (16105016), we get a palindrome (77155177).

The spelling of 61050161 in words is "sixty-one million, fifty thousand, one hundred sixty-one".