51304441 has 2 divisors, whose sum is σ = 51304442. Its totient is φ = 51304440.

The previous prime is 51304423. The next prime is 51304471. The reversal of 51304441 is 14440315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33698025 + 17606416 = 5805^2 + 4196^2 .

It is a cyclic number.

It is not a de Polignac number, because 51304441 - 2¹⁹ = 50780153 is a prime.

It is not a weakly prime, because it can be changed into another prime (51304471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25652220 + 25652221.

It is an arithmetic number, because the mean of its divisors is an integer number (25652221).

Almost surely, 2^51304441 is an apocalyptic number.

It is an amenable number.

51304441 is a deficient number, since it is larger than the sum of its proper divisors (1).

51304441 is an equidigital number, since it uses as much as digits as its factorization.

51304441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 51304441 is about 7162.7118467798. The cubic root of 51304441 is about 371.5794207148.

Adding to 51304441 its reverse (14440315), we get a palindrome (65744756).

The spelling of 51304441 in words is "fifty-one million, three hundred four thousand, four hundred forty-one".