51276143 has 2 divisors, whose sum is σ = 51276144. Its totient is φ = 51276142.

The previous prime is 51276119. The next prime is 51276157. The reversal of 51276143 is 34167215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51276143 - 2¹⁴ = 51259759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51276163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25638071 + 25638072.

It is an arithmetic number, because the mean of its divisors is an integer number (25638072).

Almost surely, 2^51276143 is an apocalyptic number.

51276143 is a deficient number, since it is larger than the sum of its proper divisors (1).

51276143 is an equidigital number, since it uses as much as digits as its factorization.

51276143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 51276143 is about 7160.7362051677. The cubic root of 51276143 is about 371.5110907737.

The spelling of 51276143 in words is "fifty-one million, two hundred seventy-six thousand, one hundred forty-three".