51200239 has 2 divisors, whose sum is σ = 51200240. Its totient is φ = 51200238.

The previous prime is 51200207. The next prime is 51200263. The reversal of 51200239 is 93200215.

51200239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51200239 - 2⁵ = 51200207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51200299) 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, 25600119 + 25600120.

It is an arithmetic number, because the mean of its divisors is an integer number (25600120).

Almost surely, 2^51200239 is an apocalyptic number.

51200239 is a deficient number, since it is larger than the sum of its proper divisors (1).

51200239 is an equidigital number, since it uses as much as digits as its factorization.

51200239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 51200239 is about 7155.4342286125. The cubic root of 51200239 is about 371.3276844692.

The spelling of 51200239 in words is "fifty-one million, two hundred thousand, two hundred thirty-nine".