2605461 has 4 divisors (see below), whose sum is σ = 3473952. Its totient is φ = 1736972.

The previous prime is 2605439. The next prime is 2605481. The reversal of 2605461 is 1645062.

2605461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 2605461 - 2⁹ = 2604949 is a prime.

It is a D-number.

2605461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605411) 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 3 ways as a sum of consecutive naturals, for example, 434241 + ... + 434246.

It is an arithmetic number, because the mean of its divisors is an integer number (868488).

2^2605461 is an apocalyptic number.

It is an amenable number.

2605461 is a deficient number, since it is larger than the sum of its proper divisors (868491).

2605461 is an equidigital number, since it uses as much as digits as its factorization.

2605461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868490.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2605461 is about 1614.1440456167. The cubic root of 2605461 is about 137.6030918327.

The spelling of 2605461 in words is "two million, six hundred five thousand, four hundred sixty-one".