6872553 has 16 divisors (see below), whose sum is σ = 10225600. Its totient is φ = 4561920.

The previous prime is 6872521. The next prime is 6872581. The reversal of 6872553 is 3552786.

It is not a de Polignac number, because 6872553 - 2⁵ = 6872521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6872513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8553 + ... + 9321.

It is an arithmetic number, because the mean of its divisors is an integer number (639100).

Almost surely, 2^6872553 is an apocalyptic number.

It is an amenable number.

6872553 is a deficient number, since it is larger than the sum of its proper divisors (3353047).

6872553 is a wasteful number, since it uses less digits than its factorization.

6872553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1103 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 6872553 is about 2621.5554543057. Note that the first 3 decimals coincide. The cubic root of 6872553 is about 190.1250607861.

It can be divided in two parts, 687 and 2553, that added together give a triangular number (3240 = T₈₀).

The spelling of 6872553 in words is "six million, eight hundred seventy-two thousand, five hundred fifty-three".