65038516 has 6 divisors (see below), whose sum is σ = 113817410. Its totient is φ = 32519256.

The previous prime is 65038513. The next prime is 65038531. The reversal of 65038516 is 61583056.

It can be written as a sum of positive squares in only one way, i.e., 63936016 + 1102500 = 7996^2 + 1050^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65038513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8129811 + ... + 8129818.

Almost surely, 2^65038516 is an apocalyptic number.

It is an amenable number.

65038516 is a deficient number, since it is larger than the sum of its proper divisors (48778894).

65038516 is a wasteful number, since it uses less digits than its factorization.

65038516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16259633 (or 16259631 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 65038516 is about 8064.6460554695. The cubic root of 65038516 is about 402.1519767283.

The spelling of 65038516 in words is "sixty-five million, thirty-eight thousand, five hundred sixteen".