51182101 has 2 divisors, whose sum is σ = 51182102. Its totient is φ = 51182100.

The previous prime is 51182077. The next prime is 51182123. The reversal of 51182101 is 10128115.

It is a happy number.

51182101 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., 49914225 + 1267876 = 7065^2 + 1126^2 .

It is a cyclic number.

It is not a de Polignac number, because 51182101 - 2⁵ = 51182069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51182141) 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, 25591050 + 25591051.

It is an arithmetic number, because the mean of its divisors is an integer number (25591051).

Almost surely, 2^51182101 is an apocalyptic number.

It is an amenable number.

51182101 is a deficient number, since it is larger than the sum of its proper divisors (1).

51182101 is an equidigital number, since it uses as much as digits as its factorization.

51182101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 51182101 is about 7154.1666880217. The cubic root of 51182101 is about 371.2838309173.

The spelling of 51182101 in words is "fifty-one million, one hundred eighty-two thousand, one hundred one".