51276793 has 2 divisors, whose sum is σ = 51276794. Its totient is φ = 51276792.

The previous prime is 51276781. The next prime is 51276817. The reversal of 51276793 is 39767215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48818169 + 2458624 = 6987^2 + 1568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51276793 is a prime.

It is not a weakly prime, because it can be changed into another prime (51276713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25638396 + 25638397.

It is an arithmetic number, because the mean of its divisors is an integer number (25638397).

Almost surely, 2^51276793 is an apocalyptic number.

It is an amenable number.

51276793 is a deficient number, since it is larger than the sum of its proper divisors (1).

51276793 is an equidigital number, since it uses as much as digits as its factorization.

51276793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 40.

The square root of 51276793 is about 7160.7815914186. The cubic root of 51276793 is about 371.5126605823.

The spelling of 51276793 in words is "fifty-one million, two hundred seventy-six thousand, seven hundred ninety-three".