65116501 has 4 divisors (see below), whose sum is σ = 65133952. Its totient is φ = 65099052.

The previous prime is 65116483. The next prime is 65116517. The reversal of 65116501 is 10561156.

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 not a de Polignac number, because 65116501 - 2¹¹ = 65114453 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 (65116531) 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, 615 + ... + 11428.

It is an arithmetic number, because the mean of its divisors is an integer number (16283488).

Almost surely, 2^65116501 is an apocalyptic number.

It is an amenable number.

65116501 is a deficient number, since it is larger than the sum of its proper divisors (17451).

65116501 is a wasteful number, since it uses less digits than its factorization.

65116501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17450.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 65116501 is about 8069.4795990820. The cubic root of 65116501 is about 402.3126471397.

Adding to 65116501 its reverse (10561156), we get a palindrome (75677657).

The spelling of 65116501 in words is "sixty-five million, one hundred sixteen thousand, five hundred one".