65220653 has 12 divisors (see below), whose sum is σ = 70143360. Its totient is φ = 60622272.

The previous prime is 65220647. The next prime is 65220667. The reversal of 65220653 is 35602256.

It is a happy number.

65220653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65220653 - 2¹⁶ = 65155117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65220613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22628 + ... + 25346.

It is an arithmetic number, because the mean of its divisors is an integer number (5845280).

Almost surely, 2^65220653 is an apocalyptic number.

It is an amenable number.

65220653 is a deficient number, since it is larger than the sum of its proper divisors (4922707).

65220653 is a wasteful number, since it uses less digits than its factorization.

65220653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 65220653 is about 8075.9304727072. The cubic root of 65220653 is about 402.5270287779.

The spelling of 65220653 in words is "sixty-five million, two hundred twenty thousand, six hundred fifty-three".