51441311 has 2 divisors, whose sum is σ = 51441312. Its totient is φ = 51441310.

The previous prime is 51441293. The next prime is 51441319. The reversal of 51441311 is 11314415.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51441311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51441319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25720655 + 25720656.

It is an arithmetic number, because the mean of its divisors is an integer number (25720656).

Almost surely, 2^51441311 is an apocalyptic number.

51441311 is a deficient number, since it is larger than the sum of its proper divisors (1).

51441311 is an equidigital number, since it uses as much as digits as its factorization.

51441311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 20.

The square root of 51441311 is about 7172.2598251876. The cubic root of 51441311 is about 371.9095605288.

Adding to 51441311 its reverse (11314415), we get a palindrome (62755726).

The spelling of 51441311 in words is "fifty-one million, four hundred forty-one thousand, three hundred eleven".