51425041 has 2 divisors, whose sum is σ = 51425042. Its totient is φ = 51425040.

The previous prime is 51425009. The next prime is 51425071. The reversal of 51425041 is 14052415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26224641 + 25200400 = 5121^2 + 5020^2 .

It is a cyclic number.

It is not a de Polignac number, because 51425041 - 2⁵ = 51425009 is a prime.

It is equal to p_3081451 and since 51425041 and 3081451 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (51425071) 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, 25712520 + 25712521.

It is an arithmetic number, because the mean of its divisors is an integer number (25712521).

Almost surely, 2^51425041 is an apocalyptic number.

It is an amenable number.

51425041 is a deficient number, since it is larger than the sum of its proper divisors (1).

51425041 is an equidigital number, since it uses as much as digits as its factorization.

51425041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 51425041 is about 7171.1255044100. The cubic root of 51425041 is about 371.8703468664.

Adding to 51425041 its reverse (14052415), we get a palindrome (65477456).

The spelling of 51425041 in words is "fifty-one million, four hundred twenty-five thousand, forty-one".