6655253 has 4 divisors (see below), whose sum is σ = 7260288. Its totient is φ = 6050220.

The previous prime is 6655249. The next prime is 6655261. The reversal of 6655253 is 3525566.

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.

It is not a de Polignac number, because 6655253 - 2² = 6655249 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655273) 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 3 ways as a sum of consecutive naturals, for example, 302501 + ... + 302522.

It is an arithmetic number, because the mean of its divisors is an integer number (1815072).

Almost surely, 2^6655253 is an apocalyptic number.

It is an amenable number.

6655253 is a deficient number, since it is larger than the sum of its proper divisors (605035).

6655253 is a wasteful number, since it uses less digits than its factorization.

6655253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605034.

The product of its digits is 27000, while the sum is 32.

The square root of 6655253 is about 2579.7777036016. Note that the first 4 decimals coincide. The cubic root of 6655253 is about 188.0997377071.

The spelling of 6655253 in words is "six million, six hundred fifty-five thousand, two hundred fifty-three".