51384041 has 2 divisors, whose sum is σ = 51384042. Its totient is φ = 51384040.

The previous prime is 51384031. The next prime is 51384077. The reversal of 51384041 is 14048315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30030400 + 21353641 = 5480^2 + 4621^2 .

It is a cyclic number.

It is not a de Polignac number, because 51384041 - 2¹⁸ = 51121897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51384041.

It is not a weakly prime, because it can be changed into another prime (51384031) 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, 25692020 + 25692021.

It is an arithmetic number, because the mean of its divisors is an integer number (25692021).

Almost surely, 2^51384041 is an apocalyptic number.

It is an amenable number.

51384041 is a deficient number, since it is larger than the sum of its proper divisors (1).

51384041 is an equidigital number, since it uses as much as digits as its factorization.

51384041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 51384041 is about 7168.2662478454. The cubic root of 51384041 is about 371.7714927047.

The spelling of 51384041 in words is "fifty-one million, three hundred eighty-four thousand, forty-one".