65534239 has 2 divisors, whose sum is σ = 65534240. Its totient is φ = 65534238.

The previous prime is 65534111. The next prime is 65534243. The reversal of 65534239 is 93243556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65534239 - 2⁷ = 65534111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65534198 and 65534207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65534299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32767119 + 32767120.

It is an arithmetic number, because the mean of its divisors is an integer number (32767120).

Almost surely, 2^65534239 is an apocalyptic number.

65534239 is a deficient number, since it is larger than the sum of its proper divisors (1).

65534239 is an equidigital number, since it uses as much as digits as its factorization.

65534239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 37.

The square root of 65534239 is about 8095.3220442426. The cubic root of 65534239 is about 403.1711247345.

The spelling of 65534239 in words is "sixty-five million, five hundred thirty-four thousand, two hundred thirty-nine".