2835561 has 8 divisors (see below), whose sum is σ = 3788704. Its totient is φ = 1886400.

The previous prime is 2835523. The next prime is 2835563. The reversal of 2835561 is 1655382.

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

It is not a de Polignac number, because 2835561 - 2⁷ = 2835433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2835563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1761 + ... + 2961.

It is an arithmetic number, because the mean of its divisors is an integer number (473588).

2^2835561 is an apocalyptic number.

It is an amenable number.

2835561 is a deficient number, since it is larger than the sum of its proper divisors (953143).

2835561 is a wasteful number, since it uses less digits than its factorization.

2835561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991.

The product of its digits is 7200, while the sum is 30.

The square root of 2835561 is about 1683.9124086484. The cubic root of 2835561 is about 141.5401543364.

The spelling of 2835561 in words is "two million, eight hundred thirty-five thousand, five hundred sixty-one".