65716039 has 2 divisors, whose sum is σ = 65716040. Its totient is φ = 65716038.

The previous prime is 65716009. The next prime is 65716043. The reversal of 65716039 is 93061756.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65716039 - 2⁹ = 65715527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65715989 and 65716007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65716009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32858019 + 32858020.

It is an arithmetic number, because the mean of its divisors is an integer number (32858020).

Almost surely, 2^65716039 is an apocalyptic number.

65716039 is a deficient number, since it is larger than the sum of its proper divisors (1).

65716039 is an equidigital number, since it uses as much as digits as its factorization.

65716039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 65716039 is about 8106.5429746594. The cubic root of 65716039 is about 403.5435958683.

The spelling of 65716039 in words is "sixty-five million, seven hundred sixteen thousand, thirty-nine".