65497317 has 8 divisors (see below), whose sum is σ = 87393600. Its totient is φ = 43632960.

The previous prime is 65497309. The next prime is 65497321. The reversal of 65497317 is 71379456.

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

It is not a de Polignac number, because 65497317 - 2³ = 65497309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65497357) 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, 2692 + ... + 11757.

It is an arithmetic number, because the mean of its divisors is an integer number (10924200).

Almost surely, 2^65497317 is an apocalyptic number.

It is an amenable number.

65497317 is a deficient number, since it is larger than the sum of its proper divisors (21896283).

65497317 is a wasteful number, since it uses less digits than its factorization.

65497317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15963.

The product of its digits is 158760, while the sum is 42.

The square root of 65497317 is about 8093.0412701283. The cubic root of 65497317 is about 403.0953949535.

The spelling of 65497317 in words is "sixty-five million, four hundred ninety-seven thousand, three hundred seventeen".