51299167 has 2 divisors, whose sum is σ = 51299168. Its totient is φ = 51299166.

The previous prime is 51299147. The next prime is 51299191. The reversal of 51299167 is 76199215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51299167 - 2¹¹ = 51297119 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51299147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25649583 + 25649584.

It is an arithmetic number, because the mean of its divisors is an integer number (25649584).

Almost surely, 2^51299167 is an apocalyptic number.

51299167 is a deficient number, since it is larger than the sum of its proper divisors (1).

51299167 is an equidigital number, since it uses as much as digits as its factorization.

51299167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 40.

The square root of 51299167 is about 7162.3436806677. The cubic root of 51299167 is about 371.5666877233.

The spelling of 51299167 in words is "fifty-one million, two hundred ninety-nine thousand, one hundred sixty-seven".