51614239 has 2 divisors, whose sum is σ = 51614240. Its totient is φ = 51614238.

The previous prime is 51614237. The next prime is 51614243. The reversal of 51614239 is 93241615.

51614239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51614239 - 2¹ = 51614237 is a prime.

Together with 51614237, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51614239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51614237) 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, 25807119 + 25807120.

It is an arithmetic number, because the mean of its divisors is an integer number (25807120).

Almost surely, 2^51614239 is an apocalyptic number.

51614239 is a deficient number, since it is larger than the sum of its proper divisors (1).

51614239 is an equidigital number, since it uses as much as digits as its factorization.

51614239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 51614239 is about 7184.3050464189. The cubic root of 51614239 is about 372.3258384373.

The spelling of 51614239 in words is "fifty-one million, six hundred fourteen thousand, two hundred thirty-nine".