51538741 has 2 divisors, whose sum is σ = 51538742. Its totient is φ = 51538740.

The previous prime is 51538727. The next prime is 51538777. The reversal of 51538741 is 14783515.

It is a happy number.

51538741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44275716 + 7263025 = 6654^2 + 2695^2 .

It is a cyclic number.

It is not a de Polignac number, because 51538741 - 2¹⁷ = 51407669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51538697 and 51538706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51538541) 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, 25769370 + 25769371.

It is an arithmetic number, because the mean of its divisors is an integer number (25769371).

Almost surely, 2^51538741 is an apocalyptic number.

It is an amenable number.

51538741 is a deficient number, since it is larger than the sum of its proper divisors (1).

51538741 is an equidigital number, since it uses as much as digits as its factorization.

51538741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 34.

The square root of 51538741 is about 7179.0487531427. The cubic root of 51538741 is about 372.1442117285.

The spelling of 51538741 in words is "fifty-one million, five hundred thirty-eight thousand, seven hundred forty-one".