2983561 has 6 divisors (see below), whose sum is σ = 3470730. Its totient is φ = 2557296.

The previous prime is 2983559. The next prime is 2983573. The reversal of 2983561 is 1653892.

It can be written as a sum of positive squares in only one way, i.e., 1806336 + 1177225 = 1344^2 + 1085^2 .

It is not a de Polignac number, because 2983561 - 2¹ = 2983559 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2983511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30396 + ... + 30493.

It is an arithmetic number, because the mean of its divisors is an integer number (578455).

2^2983561 is an apocalyptic number.

It is an amenable number.

2983561 is a deficient number, since it is larger than the sum of its proper divisors (487169).

2983561 is an equidigital number, since it uses as much as digits as its factorization.

2983561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60903 (or 60896 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 2983561 is about 1727.2987581771. The cubic root of 2983561 is about 143.9610394855.

The spelling of 2983561 in words is "two million, nine hundred eighty-three thousand, five hundred sixty-one".