2081461 has 4 divisors (see below), whose sum is σ = 2116800. Its totient is φ = 2046124.

The previous prime is 2081437. The next prime is 2081467. The reversal of 2081461 is 1641802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1641802 = 2 ⋅820901.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2081461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17581 + ... + 17698.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

2^2081461 is an apocalyptic number.

It is an amenable number.

2081461 is a deficient number, since it is larger than the sum of its proper divisors (35339).

2081461 is an equidigital number, since it uses as much as digits as its factorization.

2081461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35338.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2081461 is about 1442.7269318897. The cubic root of 2081461 is about 127.6799662861.

The spelling of 2081461 in words is "two million, eighty-one thousand, four hundred sixty-one".