65116503 has 6 divisors (see below), whose sum is σ = 94057184. Its totient is φ = 43410996.

The previous prime is 65116483. The next prime is 65116517. The reversal of 65116503 is 30561156.

It is a happy number.

65116503 is a `hidden beast` number, since 6 + 5 + 1 + 1 + 650 + 3 = 666.

It is not a de Polignac number, because 65116503 - 2¹² = 65112407 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 (65116543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3617575 + ... + 3617592.

Almost surely, 2^65116503 is an apocalyptic number.

65116503 is a deficient number, since it is larger than the sum of its proper divisors (28940681).

65116503 is a wasteful number, since it uses less digits than its factorization.

65116503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7235173 (or 7235170 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 65116503 is about 8069.4797230057. The cubic root of 65116503 is about 402.3126512586.

Adding to 65116503 its reverse (30561156), we get a palindrome (95677659).

The spelling of 65116503 in words is "sixty-five million, one hundred sixteen thousand, five hundred three".