51308141 has 2 divisors, whose sum is σ = 51308142. Its totient is φ = 51308140.

The previous prime is 51308119. The next prime is 51308149. The reversal of 51308141 is 14180315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50197225 + 1110916 = 7085^2 + 1054^2 .

It is a cyclic number.

It is not a de Polignac number, because 51308141 - 2¹⁸ = 51045997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51308149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25654070 + 25654071.

It is an arithmetic number, because the mean of its divisors is an integer number (25654071).

Almost surely, 2^51308141 is an apocalyptic number.

It is an amenable number.

51308141 is a deficient number, since it is larger than the sum of its proper divisors (1).

51308141 is an equidigital number, since it uses as much as digits as its factorization.

51308141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 51308141 is about 7162.9701241873. The cubic root of 51308141 is about 371.5883530851.

Adding to 51308141 its reverse (14180315), we get a palindrome (65488456).

The spelling of 51308141 in words is "fifty-one million, three hundred eight thousand, one hundred forty-one".