51182475401 has 2 divisors, whose sum is σ = 51182475402. Its totient is φ = 51182475400.

The previous prime is 51182475371. The next prime is 51182475403. The reversal of 51182475401 is 10457428115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28464751225 + 22717724176 = 168715^2 + 150724^2 .

It is a cyclic number.

It is not a de Polignac number, because 51182475401 - 2¹⁴ = 51182459017 is a prime.

It is a super-2 number, since 2×51182475401² (a number of 22 digits) contains 22 as substring.

Together with 51182475403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51182475403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25591237700 + 25591237701.

It is an arithmetic number, because the mean of its divisors is an integer number (25591237701).

Almost surely, 2^51182475401 is an apocalyptic number.

It is an amenable number.

51182475401 is a deficient number, since it is larger than the sum of its proper divisors (1).

51182475401 is an equidigital number, since it uses as much as digits as its factorization.

51182475401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 38.

The spelling of 51182475401 in words is "fifty-one billion, one hundred eighty-two million, four hundred seventy-five thousand, four hundred one".