65505925317 has 8 divisors (see below), whose sum is σ = 99818552896. Its totient is φ = 37431957312.

The previous prime is 65505925297. The next prime is 65505925321. The reversal of 65505925317 is 71352950556.

It is a happy number.

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

It is not a de Polignac number, because 65505925317 - 2⁸ = 65505925061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65505925117) 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, 1559664868 + ... + 1559664909.

It is an arithmetic number, because the mean of its divisors is an integer number (12477319112).

Almost surely, 2^65505925317 is an apocalyptic number.

It is an amenable number.

65505925317 is a deficient number, since it is larger than the sum of its proper divisors (34312627579).

65505925317 is a wasteful number, since it uses less digits than its factorization.

65505925317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119329787.

The product of its (nonzero) digits is 1417500, while the sum is 48.

The spelling of 65505925317 in words is "sixty-five billion, five hundred five million, nine hundred twenty-five thousand, three hundred seventeen".