65265641 has 16 divisors (see below), whose sum is σ = 75998208. Its totient is φ = 54896400.

The previous prime is 65265637. The next prime is 65265647. The reversal of 65265641 is 14656256.

It is a cyclic number.

It is not a de Polignac number, because 65265641 - 2² = 65265637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65265647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94106 + ... + 94796.

It is an arithmetic number, because the mean of its divisors is an integer number (4749888).

Almost surely, 2^65265641 is an apocalyptic number.

It is an amenable number.

65265641 is a deficient number, since it is larger than the sum of its proper divisors (10732567).

65265641 is a wasteful number, since it uses less digits than its factorization.

65265641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932.

The product of its digits is 43200, while the sum is 35.

The square root of 65265641 is about 8078.7153062848. The cubic root of 65265641 is about 402.6195594054.

It can be divided in two parts, 6526 and 5641, that added together give a cube (12167 = 23³).

The spelling of 65265641 in words is "sixty-five million, two hundred sixty-five thousand, six hundred forty-one".