65000038 has 4 divisors (see below), whose sum is σ = 97500060. Its totient is φ = 32500018.

The previous prime is 65000029. The next prime is 65000051. The reversal of 65000038 is 83000056.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 64999982 and 65000018.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16250008 + ... + 16250011.

It is an arithmetic number, because the mean of its divisors is an integer number (24375015).

Almost surely, 2^65000038 is an apocalyptic number.

65000038 is a deficient number, since it is larger than the sum of its proper divisors (32500022).

65000038 is a wasteful number, since it uses less digits than its factorization.

65000038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32500021.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 65000038 is about 8062.2601049582. The cubic root of 65000038 is about 402.0726542115.

The spelling of 65000038 in words is "sixty-five million, thirty-eight", and thus it is an aban number and an uban number.