42808653 has 12 divisors (see below), whose sum is σ = 65089440. Its totient is φ = 27036936.

The previous prime is 42808643. The next prime is 42808657. The reversal of 42808653 is 35680824.

42808653 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 42808653 - 2⁴ = 42808637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42808657) 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, 125001 + ... + 125342.

It is an arithmetic number, because the mean of its divisors is an integer number (5424120).

Almost surely, 2^42808653 is an apocalyptic number.

It is an amenable number.

42808653 is a deficient number, since it is larger than the sum of its proper divisors (22280787).

42808653 is a wasteful number, since it uses less digits than its factorization.

42808653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250368 (or 250365 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 42808653 is about 6542.8321849181. The cubic root of 42808653 is about 349.8193707418.

The spelling of 42808653 in words is "forty-two million, eight hundred eight thousand, six hundred fifty-three".