6653145 has 8 divisors (see below), whose sum is σ = 10645056. Its totient is φ = 3548336.

The previous prime is 6653123. The next prime is 6653159. The reversal of 6653145 is 5413566.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6653145 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 221757 + ... + 221786.

It is an arithmetic number, because the mean of its divisors is an integer number (1330632).

Almost surely, 2^6653145 is an apocalyptic number.

It is an amenable number.

6653145 is a deficient number, since it is larger than the sum of its proper divisors (3991911).

6653145 is a wasteful number, since it uses less digits than its factorization.

6653145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443551.

The product of its digits is 10800, while the sum is 30.

The square root of 6653145 is about 2579.3691089102. The cubic root of 6653145 is about 188.0798758967.

The spelling of 6653145 in words is "six million, six hundred fifty-three thousand, one hundred forty-five".