51541123 has 2 divisors, whose sum is σ = 51541124. Its totient is φ = 51541122.

The previous prime is 51541109. The next prime is 51541163. The reversal of 51541123 is 32114515.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51541123 - 2⁹ = 51540611 is a prime.

It is a super-2 number, since 2×51541123² = 5312974720202258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51541094 and 51541103.

It is not a weakly prime, because it can be changed into another prime (51541163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25770561 + 25770562.

It is an arithmetic number, because the mean of its divisors is an integer number (25770562).

Almost surely, 2^51541123 is an apocalyptic number.

51541123 is a deficient number, since it is larger than the sum of its proper divisors (1).

51541123 is an equidigital number, since it uses as much as digits as its factorization.

51541123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 22.

The square root of 51541123 is about 7179.2146506425. The cubic root of 51541123 is about 372.1499448517.

Adding to 51541123 its reverse (32114515), we get a palindrome (83655638).

The spelling of 51541123 in words is "fifty-one million, five hundred forty-one thousand, one hundred twenty-three".