51346699 has 2 divisors, whose sum is σ = 51346700. Its totient is φ = 51346698.

The previous prime is 51346679. The next prime is 51346727. The reversal of 51346699 is 99664315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51346699 - 2²⁵ = 17792267 is a prime.

It is not a weakly prime, because it can be changed into another prime (51346679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25673349 + 25673350.

It is an arithmetic number, because the mean of its divisors is an integer number (25673350).

Almost surely, 2^51346699 is an apocalyptic number.

51346699 is a deficient number, since it is larger than the sum of its proper divisors (1).

51346699 is an equidigital number, since it uses as much as digits as its factorization.

51346699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 43.

The square root of 51346699 is about 7165.6610999963. The cubic root of 51346699 is about 371.6814124961.

The spelling of 51346699 in words is "fifty-one million, three hundred forty-six thousand, six hundred ninety-nine".