51160961 has 2 divisors, whose sum is σ = 51160962. Its totient is φ = 51160960.

The previous prime is 51160937. The next prime is 51160997. The reversal of 51160961 is 16906115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38056561 + 13104400 = 6169^2 + 3620^2 .

It is a cyclic number.

It is not a de Polignac number, because 51160961 - 2⁶ = 51160897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51160931) 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, 25580480 + 25580481.

It is an arithmetic number, because the mean of its divisors is an integer number (25580481).

Almost surely, 2^51160961 is an apocalyptic number.

It is an amenable number.

51160961 is a deficient number, since it is larger than the sum of its proper divisors (1).

51160961 is an equidigital number, since it uses as much as digits as its factorization.

51160961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 51160961 is about 7152.6890747466. The cubic root of 51160961 is about 371.2327061366.

The spelling of 51160961 in words is "fifty-one million, one hundred sixty thousand, nine hundred sixty-one".