51343771 has 2 divisors, whose sum is σ = 51343772. Its totient is φ = 51343770.

The previous prime is 51343741. The next prime is 51343793. The reversal of 51343771 is 17734315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51343771 - 2⁵ = 51343739 is a prime.

It is not a weakly prime, because it can be changed into another prime (51343711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25671885 + 25671886.

It is an arithmetic number, because the mean of its divisors is an integer number (25671886).

Almost surely, 2^51343771 is an apocalyptic number.

51343771 is a deficient number, since it is larger than the sum of its proper divisors (1).

51343771 is an equidigital number, since it uses as much as digits as its factorization.

51343771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 31.

The square root of 51343771 is about 7165.4567893471. The cubic root of 51343771 is about 371.6743474274.

The spelling of 51343771 in words is "fifty-one million, three hundred forty-three thousand, seven hundred seventy-one".