51324101 has 2 divisors, whose sum is σ = 51324102. Its totient is φ = 51324100.

The previous prime is 51324079. The next prime is 51324103. The reversal of 51324101 is 10142315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 201601 = 7150^2 + 449^2 .

It is a cyclic number.

It is not a de Polignac number, because 51324101 - 2¹⁸ = 51061957 is a prime.

Together with 51324103, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51324101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51324103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25662050 + 25662051.

It is an arithmetic number, because the mean of its divisors is an integer number (25662051).

Almost surely, 2^51324101 is an apocalyptic number.

It is an amenable number.

51324101 is a deficient number, since it is larger than the sum of its proper divisors (1).

51324101 is an equidigital number, since it uses as much as digits as its factorization.

51324101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 51324101 is about 7164.0841005672. The cubic root of 51324101 is about 371.6268780650.

Adding to 51324101 its reverse (10142315), we get a palindrome (61466416).

The spelling of 51324101 in words is "fifty-one million, three hundred twenty-four thousand, one hundred one".