65115935 has 4 divisors (see below), whose sum is σ = 78139128. Its totient is φ = 52092744.

The previous prime is 65115917. The next prime is 65115943. The reversal of 65115935 is 53951156.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 65115935 - 2¹⁸ = 64853791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65115895 and 65115904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6511589 + ... + 6511598.

It is an arithmetic number, because the mean of its divisors is an integer number (19534782).

Almost surely, 2^65115935 is an apocalyptic number.

65115935 is a deficient number, since it is larger than the sum of its proper divisors (13023193).

65115935 is a wasteful number, since it uses less digits than its factorization.

65115935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13023192.

The product of its digits is 20250, while the sum is 35.

The square root of 65115935 is about 8069.4445285906. Note that the first 3 decimals coincide. The cubic root of 65115935 is about 402.3114814872.

The spelling of 65115935 in words is "sixty-five million, one hundred fifteen thousand, nine hundred thirty-five".