6561094 has 8 divisors (see below), whose sum is σ = 9976680. Its totient is φ = 3235536.

The previous prime is 6561091. The next prime is 6561097. The reversal of 6561094 is 4901656.

It is an interprime number because it is at equal distance from previous prime (6561091) and next prime (6561097).

It is a sphenic number, since it is the product of 3 distinct primes.

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 (6561091) 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, 22324 + ... + 22615.

It is an arithmetic number, because the mean of its divisors is an integer number (1247085).

Almost surely, 2^6561094 is an apocalyptic number.

6561094 is a deficient number, since it is larger than the sum of its proper divisors (3415586).

6561094 is a wasteful number, since it uses less digits than its factorization.

6561094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45014.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 6561094 is about 2561.4632536892. The cubic root of 6561094 is about 187.2084381165.

The spelling of 6561094 in words is "six million, five hundred sixty-one thousand, ninety-four".