65125617 has 4 divisors (see below), whose sum is σ = 86834160. Its totient is φ = 43417076.

The previous prime is 65125603. The next prime is 65125631. The reversal of 65125617 is 71652156.

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 an interprime number because it is at equal distance from previous prime (65125603) and next prime (65125631).

It is a cyclic number.

It is not a de Polignac number, because 65125617 - 2⁴ = 65125601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65125667) 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, 10854267 + ... + 10854272.

It is an arithmetic number, because the mean of its divisors is an integer number (21708540).

Almost surely, 2^65125617 is an apocalyptic number.

It is an amenable number.

65125617 is a deficient number, since it is larger than the sum of its proper divisors (21708543).

65125617 is a wasteful number, since it uses less digits than its factorization.

65125617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21708542.

The product of its digits is 12600, while the sum is 33.

The square root of 65125617 is about 8070.0444236696. The cubic root of 65125617 is about 402.3314202151.

The spelling of 65125617 in words is "sixty-five million, one hundred twenty-five thousand, six hundred seventeen".