51441263 has 2 divisors, whose sum is σ = 51441264. Its totient is φ = 51441262.

The previous prime is 51441253. The next prime is 51441283. The reversal of 51441263 is 36214415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51441263 - 2¹² = 51437167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51441233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25720631 + 25720632.

It is an arithmetic number, because the mean of its divisors is an integer number (25720632).

Almost surely, 2^51441263 is an apocalyptic number.

51441263 is a deficient number, since it is larger than the sum of its proper divisors (1).

51441263 is an equidigital number, since it uses as much as digits as its factorization.

51441263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 51441263 is about 7172.2564789611. The cubic root of 51441263 is about 371.9094448522.

Adding to 51441263 its reverse (36214415), we get a palindrome (87655678).

The spelling of 51441263 in words is "fifty-one million, four hundred forty-one thousand, two hundred sixty-three".