51010259 has 2 divisors, whose sum is σ = 51010260. Its totient is φ = 51010258.

The previous prime is 51010237. The next prime is 51010277. The reversal of 51010259 is 95201015.

51010259 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 a de Polignac number, because none of the positive numbers 2^k-51010259 is a prime.

It is not a weakly prime, because it can be changed into another prime (51010559) 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, 25505129 + 25505130.

It is an arithmetic number, because the mean of its divisors is an integer number (25505130).

Almost surely, 2^51010259 is an apocalyptic number.

51010259 is a deficient number, since it is larger than the sum of its proper divisors (1).

51010259 is an equidigital number, since it uses as much as digits as its factorization.

51010259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 51010259 is about 7142.1466660942. The cubic root of 51010259 is about 370.8678411294.

The spelling of 51010259 in words is "fifty-one million, ten thousand, two hundred fifty-nine".