653241065 has 8 divisors (see below), whose sum is σ = 830000520. Its totient is φ = 491852032.

The previous prime is 653241053. The next prime is 653241103. The reversal of 653241065 is 560142356.

It can be written as a sum of positive squares in 4 ways, for example, as 336685801 + 316555264 = 18349^2 + 17792^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 653241065 - 2²⁶ = 586132201 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3842510 + ... + 3842679.

It is an arithmetic number, because the mean of its divisors is an integer number (103750065).

Almost surely, 2^653241065 is an apocalyptic number.

It is an amenable number.

653241065 is a deficient number, since it is larger than the sum of its proper divisors (176759455).

653241065 is a wasteful number, since it uses less digits than its factorization.

653241065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7685211.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 653241065 is about 25558.5810443381. The cubic root of 653241065 is about 867.6764816307.

The spelling of 653241065 in words is "six hundred fifty-three million, two hundred forty-one thousand, sixty-five".