51333199 has 2 divisors, whose sum is σ = 51333200. Its totient is φ = 51333198.

The previous prime is 51333197. The next prime is 51333239. The reversal of 51333199 is 99133315.

51333199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51333199 - 2¹ = 51333197 is a prime.

Together with 51333197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51333197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25666599 + 25666600.

It is an arithmetic number, because the mean of its divisors is an integer number (25666600).

Almost surely, 2^51333199 is an apocalyptic number.

51333199 is a deficient number, since it is larger than the sum of its proper divisors (1).

51333199 is an equidigital number, since it uses as much as digits as its factorization.

51333199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10935, while the sum is 34.

The square root of 51333199 is about 7164.7190454337. The cubic root of 51333199 is about 371.6488356607.

The spelling of 51333199 in words is "fifty-one million, three hundred thirty-three thousand, one hundred ninety-nine".