51126241 has 2 divisors, whose sum is σ = 51126242. Its totient is φ = 51126240.

The previous prime is 51126233. The next prime is 51126277. The reversal of 51126241 is 14262115.

51126241 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., 31136400 + 19989841 = 5580^2 + 4471^2 .

It is a cyclic number.

It is not a de Polignac number, because 51126241 - 2³ = 51126233 is a prime.

It is a super-2 number, since 2×51126241² = 5227785037580162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51126281) 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, 25563120 + 25563121.

It is an arithmetic number, because the mean of its divisors is an integer number (25563121).

Almost surely, 2^51126241 is an apocalyptic number.

It is an amenable number.

51126241 is a deficient number, since it is larger than the sum of its proper divisors (1).

51126241 is an equidigital number, since it uses as much as digits as its factorization.

51126241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 51126241 is about 7150.2616036058. The cubic root of 51126241 is about 371.1487090412.

Adding to 51126241 its reverse (14262115), we get a palindrome (65388356).

The spelling of 51126241 in words is "fifty-one million, one hundred twenty-six thousand, two hundred forty-one".