51461351 has 2 divisors, whose sum is σ = 51461352. Its totient is φ = 51461350.

The previous prime is 51461317. The next prime is 51461359. The reversal of 51461351 is 15316415.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51461351 is a prime.

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 51461351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51461359) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25730675 + 25730676.

It is an arithmetic number, because the mean of its divisors is an integer number (25730676).

Almost surely, 2^51461351 is an apocalyptic number.

51461351 is a deficient number, since it is larger than the sum of its proper divisors (1).

51461351 is an equidigital number, since it uses as much as digits as its factorization.

51461351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 26.

The square root of 51461351 is about 7173.6567383727. The cubic root of 51461351 is about 371.9578492150.

Adding to 51461351 its reverse (15316415), we get a palindrome (66777766).

The spelling of 51461351 in words is "fifty-one million, four hundred sixty-one thousand, three hundred fifty-one".