6551285 has 12 divisors (see below), whose sum is σ = 8513892. Its totient is φ = 4837248.

The previous prime is 6551249. The next prime is 6551291. The reversal of 6551285 is 5821556.

6551285 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 69169 + 6482116 = 263^2 + 2546^2 .

It is not a de Polignac number, because 6551285 - 2¹⁰ = 6550261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3032 + ... + 4721.

It is an arithmetic number, because the mean of its divisors is an integer number (709491).

Almost surely, 2^6551285 is an apocalyptic number.

6551285 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6551285 is a deficient number, since it is larger than the sum of its proper divisors (1962607).

6551285 is a wasteful number, since it uses less digits than its factorization.

6551285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7784 (or 7771 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The square root of 6551285 is about 2559.5478116261. The cubic root of 6551285 is about 187.1150978164.

The spelling of 6551285 in words is "six million, five hundred fifty-one thousand, two hundred eighty-five".