51336419 has 2 divisors, whose sum is σ = 51336420. Its totient is φ = 51336418.

The previous prime is 51336401. The next prime is 51336433. The reversal of 51336419 is 91463315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51336419 - 2⁸ = 51336163 is a prime.

It is a super-2 number, since 2×51336419² = 5270855831487122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51336449) 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, 25668209 + 25668210.

It is an arithmetic number, because the mean of its divisors is an integer number (25668210).

Almost surely, 2^51336419 is an apocalyptic number.

51336419 is a deficient number, since it is larger than the sum of its proper divisors (1).

51336419 is an equidigital number, since it uses as much as digits as its factorization.

51336419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 32.

The square root of 51336419 is about 7164.9437541407. The cubic root of 51336419 is about 371.6566063578.

The spelling of 51336419 in words is "fifty-one million, three hundred thirty-six thousand, four hundred nineteen".