51300199 has 2 divisors, whose sum is σ = 51300200. Its totient is φ = 51300198.

The previous prime is 51300191. The next prime is 51300211. The reversal of 51300199 is 99100315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51300199 - 2³ = 51300191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51300191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25650099 + 25650100.

It is an arithmetic number, because the mean of its divisors is an integer number (25650100).

Almost surely, 2^51300199 is an apocalyptic number.

51300199 is a deficient number, since it is larger than the sum of its proper divisors (1).

51300199 is an equidigital number, since it uses as much as digits as its factorization.

51300199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 51300199 is about 7162.4157237625. The cubic root of 51300199 is about 371.5691793444.

The spelling of 51300199 in words is "fifty-one million, three hundred thousand, one hundred ninety-nine".