65116525 has 6 divisors (see below), whose sum is σ = 80744522. Its totient is φ = 52093200.

The previous prime is 65116517. The next prime is 65116529. The reversal of 65116525 is 52561156.

It can be written as a sum of positive squares in 3 ways, for example, as 56169 + 65060356 = 237^2 + 8066^2 .

It is not a de Polignac number, because 65116525 - 2³ = 65116517 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 (65116529) 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, 1302306 + ... + 1302355.

Almost surely, 2^65116525 is an apocalyptic number.

It is an amenable number.

65116525 is a deficient number, since it is larger than the sum of its proper divisors (15627997).

65116525 is a wasteful number, since it uses less digits than its factorization.

65116525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604671 (or 2604666 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The square root of 65116525 is about 8069.4810861666. The cubic root of 65116525 is about 402.3126965665.

The spelling of 65116525 in words is "sixty-five million, one hundred sixteen thousand, five hundred twenty-five".