808142653 has 2 divisors, whose sum is σ = 808142654. Its totient is φ = 808142652.

The previous prime is 808142633. The next prime is 808142669. The reversal of 808142653 is 356241808.

It is a happy number.

808142653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 750047769 + 58094884 = 27387^2 + 7622^2 .

It is a cyclic number.

It is not a de Polignac number, because 808142653 - 2²¹ = 806045501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (808142633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404071326 + 404071327.

It is an arithmetic number, because the mean of its divisors is an integer number (404071327).

Almost surely, 2^808142653 is an apocalyptic number.

It is an amenable number.

808142653 is a deficient number, since it is larger than the sum of its proper divisors (1).

808142653 is an equidigital number, since it uses as much as digits as its factorization.

808142653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 808142653 is about 28427.8499538745. The cubic root of 808142653 is about 931.4567115678.

The spelling of 808142653 in words is "eight hundred eight million, one hundred forty-two thousand, six hundred fifty-three".