65147039 has 2 divisors, whose sum is σ = 65147040. Its totient is φ = 65147038.

The previous prime is 65147023. The next prime is 65147041. The reversal of 65147039 is 93074156.

65147039 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 65147039 - 2⁴ = 65147023 is a prime.

It is a Sophie Germain prime.

Together with 65147041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65147059) 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, 32573519 + 32573520.

It is an arithmetic number, because the mean of its divisors is an integer number (32573520).

Almost surely, 2^65147039 is an apocalyptic number.

65147039 is a deficient number, since it is larger than the sum of its proper divisors (1).

65147039 is an equidigital number, since it uses as much as digits as its factorization.

65147039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 65147039 is about 8071.3715686988. The cubic root of 65147039 is about 402.3755288125.

The spelling of 65147039 in words is "sixty-five million, one hundred forty-seven thousand, thirty-nine".