2609541 has 24 divisors (see below), whose sum is σ = 4214496. Its totient is φ = 1542240.

The previous prime is 2609539. The next prime is 2609587. The reversal of 2609541 is 1459062.

2609541 is a `hidden beast` number, since 2 + 609 + 54 + 1 = 666.

2609541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2609541 - 2¹ = 2609539 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2609501) 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 23 ways as a sum of consecutive naturals, for example, 3951 + ... + 4563.

It is an arithmetic number, because the mean of its divisors is an integer number (175604).

2^2609541 is an apocalyptic number.

It is an amenable number.

2609541 is a deficient number, since it is larger than the sum of its proper divisors (1604955).

2609541 is a wasteful number, since it uses less digits than its factorization.

2609541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2609541 is about 1615.4073789605. The cubic root of 2609541 is about 137.6748805128.

It can be divided in two parts, 260 and 9541, that added together give a square (9801 = 99²).

The spelling of 2609541 in words is "two million, six hundred nine thousand, five hundred forty-one".