65130517 has 4 divisors (see below), whose sum is σ = 65182720. Its totient is φ = 65078316.

The previous prime is 65130463. The next prime is 65130529. The reversal of 65130517 is 71503156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65130517 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 (65130547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24183 + ... + 26740.

It is an arithmetic number, because the mean of its divisors is an integer number (16295680).

Almost surely, 2^65130517 is an apocalyptic number.

It is an amenable number.

65130517 is a deficient number, since it is larger than the sum of its proper divisors (52203).

65130517 is a wasteful number, since it uses less digits than its factorization.

65130517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52202.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 65130517 is about 8070.3480098444. The cubic root of 65130517 is about 402.3415103282.

The spelling of 65130517 in words is "sixty-five million, one hundred thirty thousand, five hundred seventeen".