51368479 has 2 divisors, whose sum is σ = 51368480. Its totient is φ = 51368478.

The previous prime is 51368417. The next prime is 51368497. The reversal of 51368479 is 97486315.

Together with next prime (51368497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51368479 - 2⁷ = 51368351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51368279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25684239 + 25684240.

It is an arithmetic number, because the mean of its divisors is an integer number (25684240).

Almost surely, 2^51368479 is an apocalyptic number.

51368479 is a deficient number, since it is larger than the sum of its proper divisors (1).

51368479 is an equidigital number, since it uses as much as digits as its factorization.

51368479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 51368479 is about 7167.1806869926. The cubic root of 51368479 is about 371.7339577554.

The spelling of 51368479 in words is "fifty-one million, three hundred sixty-eight thousand, four hundred seventy-nine".