51353161 has 2 divisors, whose sum is σ = 51353162. Its totient is φ = 51353160.

The previous prime is 51353153. The next prime is 51353167. The reversal of 51353161 is 16135315.

51353161 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., 33872400 + 17480761 = 5820^2 + 4181^2 .

It is a cyclic number.

It is not a de Polignac number, because 51353161 - 2³ = 51353153 is a prime.

It is not a weakly prime, because it can be changed into another prime (51353167) 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, 25676580 + 25676581.

It is an arithmetic number, because the mean of its divisors is an integer number (25676581).

Almost surely, 2^51353161 is an apocalyptic number.

It is an amenable number.

51353161 is a deficient number, since it is larger than the sum of its proper divisors (1).

51353161 is an equidigital number, since it uses as much as digits as its factorization.

51353161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1350, while the sum is 25.

The square root of 51353161 is about 7166.1119862866. Note that the first 3 decimals coincide. The cubic root of 51353161 is about 371.6970039206.

Adding to 51353161 its reverse (16135315), we get a palindrome (67488476).

The spelling of 51353161 in words is "fifty-one million, three hundred fifty-three thousand, one hundred sixty-one".