6554861 has 4 divisors (see below), whose sum is σ = 6588000. Its totient is φ = 6521724.

The previous prime is 6554837. The next prime is 6554869. The reversal of 6554861 is 1684556.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6554861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6554869) 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, 16271 + ... + 16668.

It is an arithmetic number, because the mean of its divisors is an integer number (1647000).

Almost surely, 2^6554861 is an apocalyptic number.

It is an amenable number.

6554861 is a deficient number, since it is larger than the sum of its proper divisors (33139).

6554861 is a wasteful number, since it uses less digits than its factorization.

6554861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33138.

The product of its digits is 28800, while the sum is 35.

The square root of 6554861 is about 2560.2462772163. The cubic root of 6554861 is about 187.1491370357.

The spelling of 6554861 in words is "six million, five hundred fifty-four thousand, eight hundred sixty-one".