51234347 has 2 divisors, whose sum is σ = 51234348. Its totient is φ = 51234346.

The previous prime is 51234343. The next prime is 51234349. The reversal of 51234347 is 74343215.

It is a happy number.

51234347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51234347 - 2² = 51234343 is a prime.

Together with 51234349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51234343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25617173 + 25617174.

It is an arithmetic number, because the mean of its divisors is an integer number (25617174).

Almost surely, 2^51234347 is an apocalyptic number.

51234347 is a deficient number, since it is larger than the sum of its proper divisors (1).

51234347 is an equidigital number, since it uses as much as digits as its factorization.

51234347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 51234347 is about 7157.8171952069. The cubic root of 51234347 is about 371.4101218013.

The spelling of 51234347 in words is "fifty-one million, two hundred thirty-four thousand, three hundred forty-seven".