6642053 has 12 divisors (see below), whose sum is σ = 7732620. Its totient is φ = 5681280.

The previous prime is 6642007. The next prime is 6642059. The reversal of 6642053 is 3502466.

It can be written as a sum of positive squares in 2 ways, for example, as 3621409 + 3020644 = 1903^2 + 1738^2 .

It is not a de Polignac number, because 6642053 - 2⁸ = 6641797 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6642059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 443 + ... + 3671.

It is an arithmetic number, because the mean of its divisors is an integer number (644385).

Almost surely, 2^6642053 is an apocalyptic number.

It is an amenable number.

6642053 is a deficient number, since it is larger than the sum of its proper divisors (1090567).

6642053 is a wasteful number, since it uses less digits than its factorization.

6642053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268 (or 3257 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 6642053 is about 2577.2180738153. The cubic root of 6642053 is about 187.9752966636.

The spelling of 6642053 in words is "six million, six hundred forty-two thousand, fifty-three".