65625611 has 8 divisors (see below), whose sum is σ = 67359600. Its totient is φ = 63901152.

The previous prime is 65625557. The next prime is 65625643. The reversal of 65625611 is 11652656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65625611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65625311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12821 + ... + 17193.

It is an arithmetic number, because the mean of its divisors is an integer number (8419950).

Almost surely, 2^65625611 is an apocalyptic number.

65625611 is a deficient number, since it is larger than the sum of its proper divisors (1733989).

65625611 is a wasteful number, since it uses less digits than its factorization.

65625611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765.

The product of its digits is 10800, while the sum is 32.

The square root of 65625611 is about 8100.9635846608. The cubic root of 65625611 is about 403.3584133180.

The spelling of 65625611 in words is "sixty-five million, six hundred twenty-five thousand, six hundred eleven".