6561048 has 64 divisors (see below), whose sum is σ = 18718560. Its totient is φ = 1898496.

The previous prime is 6561019. The next prime is 6561073. The reversal of 6561048 is 8401656.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4686 + ... + 5922.

Almost surely, 2^6561048 is an apocalyptic number.

6561048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6561048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9359280).

6561048 is an abundant number, since it is smaller than the sum of its proper divisors (12157512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6561048 is a wasteful number, since it uses less digits than its factorization.

6561048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 6561048 is about 2561.4542744308. The cubic root of 6561048 is about 187.2080006077.

The spelling of 6561048 in words is "six million, five hundred sixty-one thousand, forty-eight".