65205017 has 8 divisors (see below), whose sum is σ = 68712960. Its totient is φ = 61704720.

The previous prime is 65205011. The next prime is 65205029. The reversal of 65205017 is 71050256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65205017 - 2¹² = 65200921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65205011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26783 + ... + 29115.

It is an arithmetic number, because the mean of its divisors is an integer number (8589120).

Almost surely, 2^65205017 is an apocalyptic number.

It is an amenable number.

65205017 is a deficient number, since it is larger than the sum of its proper divisors (3507943).

65205017 is a wasteful number, since it uses less digits than its factorization.

65205017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 65205017 is about 8074.9623528534. The cubic root of 65205017 is about 402.4948589290.

The spelling of 65205017 in words is "sixty-five million, two hundred five thousand, seventeen".