39516073 has 2 divisors, whose sum is σ = 39516074. Its totient is φ = 39516072.

The previous prime is 39516023. The next prime is 39516079. The reversal of 39516073 is 37061593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27489049 + 12027024 = 5243^2 + 3468^2 .

It is an emirp because it is prime and its reverse (37061593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39516073 - 2⁹ = 39515561 is a prime.

It is not a weakly prime, because it can be changed into another prime (39516079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19758036 + 19758037.

It is an arithmetic number, because the mean of its divisors is an integer number (19758037).

Almost surely, 2^39516073 is an apocalyptic number.

It is an amenable number.

39516073 is a deficient number, since it is larger than the sum of its proper divisors (1).

39516073 is an equidigital number, since it uses as much as digits as its factorization.

39516073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 39516073 is about 6286.1811141583. The cubic root of 39516073 is about 340.6104172754.

The spelling of 39516073 in words is "thirty-nine million, five hundred sixteen thousand, seventy-three".