6561070 has 16 divisors (see below), whose sum is σ = 11848320. Its totient is φ = 2615904.

The previous prime is 6561019. The next prime is 6561073. The reversal of 6561070 is 701656.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6561073) 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 7 ways as a sum of consecutive naturals, for example, 2851 + ... + 4609.

It is an arithmetic number, because the mean of its divisors is an integer number (740520).

Almost surely, 2^6561070 is an apocalyptic number.

6561070 is a deficient number, since it is larger than the sum of its proper divisors (5287250).

6561070 is a wasteful number, since it uses less digits than its factorization.

6561070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 6561070 is about 2561.4585688627. The cubic root of 6561070 is about 187.2082098513.

The spelling of 6561070 in words is "six million, five hundred sixty-one thousand, seventy".