6959561 has 8 divisors (see below), whose sum is σ = 7973184. Its totient is φ = 5950800.

The previous prime is 6959549. The next prime is 6959569. The reversal of 6959561 is 1659596.

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

It is a cyclic number.

It is not a de Polignac number, because 6959561 - 2⁶ = 6959497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6959569) 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, 2711 + ... + 4611.

It is an arithmetic number, because the mean of its divisors is an integer number (996648).

Almost surely, 2^6959561 is an apocalyptic number.

It is an amenable number.

6959561 is a deficient number, since it is larger than the sum of its proper divisors (1013623).

6959561 is a wasteful number, since it uses less digits than its factorization.

6959561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431.

The product of its digits is 72900, while the sum is 41.

The square root of 6959561 is about 2638.0979890823. The cubic root of 6959561 is about 190.9240398587.

The spelling of 6959561 in words is "six million, nine hundred fifty-nine thousand, five hundred sixty-one".