51346319 has 2 divisors, whose sum is σ = 51346320. Its totient is φ = 51346318.

The previous prime is 51346313. The next prime is 51346333. The reversal of 51346319 is 91364315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51346319 - 2¹⁶ = 51280783 is a prime.

It is a super-2 number, since 2×51346319² = 5272888949699522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51346313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25673159 + 25673160.

It is an arithmetic number, because the mean of its divisors is an integer number (25673160).

Almost surely, 2^51346319 is an apocalyptic number.

51346319 is a deficient number, since it is larger than the sum of its proper divisors (1).

51346319 is an equidigital number, since it uses as much as digits as its factorization.

51346319 is an odious number, because the sum of its binary digits is odd.

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

The square root of 51346319 is about 7165.6345845989. The cubic root of 51346319 is about 371.6804955966.

The spelling of 51346319 in words is "fifty-one million, three hundred forty-six thousand, three hundred nineteen".