6653129 has 4 divisors (see below), whose sum is σ = 7603584. Its totient is φ = 5702676.

The previous prime is 6653123. The next prime is 6653159. The reversal of 6653129 is 9213566.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9213566 = 2 ⋅4606783.

It is a de Polignac number, because none of the positive numbers 2^k-6653129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6653095 and 6653104.

It is not an unprimeable number, because it can be changed into a prime (6653123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475217 + ... + 475230.

It is an arithmetic number, because the mean of its divisors is an integer number (1900896).

Almost surely, 2^6653129 is an apocalyptic number.

It is an amenable number.

6653129 is a deficient number, since it is larger than the sum of its proper divisors (950455).

6653129 is an equidigital number, since it uses as much as digits as its factorization.

6653129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950454.

The product of its digits is 9720, while the sum is 32.

The square root of 6653129 is about 2579.3660073747. The cubic root of 6653129 is about 188.0797251269.

The spelling of 6653129 in words is "six million, six hundred fifty-three thousand, one hundred twenty-nine".