51514109 has 2 divisors, whose sum is σ = 51514110. Its totient is φ = 51514108.

The previous prime is 51514093. The next prime is 51514117. The reversal of 51514109 is 90141515.

51514109 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 can be written as a sum of positive squares in only one way, i.e., 41242084 + 10272025 = 6422^2 + 3205^2 .

It is a cyclic number.

It is not a de Polignac number, because 51514109 - 2⁴ = 51514093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51514189) 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, 25757054 + 25757055.

It is an arithmetic number, because the mean of its divisors is an integer number (25757055).

Almost surely, 2^51514109 is an apocalyptic number.

It is an amenable number.

51514109 is a deficient number, since it is larger than the sum of its proper divisors (1).

51514109 is an equidigital number, since it uses as much as digits as its factorization.

51514109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 51514109 is about 7177.3330004954. Note that the first 3 decimals coincide. The cubic root of 51514109 is about 372.0849157712.

The spelling of 51514109 in words is "fifty-one million, five hundred fourteen thousand, one hundred nine".