2753609 has 4 divisors (see below), whose sum is σ = 2915604. Its totient is φ = 2591616.

The previous prime is 2753599. The next prime is 2753693. The reversal of 2753609 is 9063572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1763584 + 990025 = 1328^2 + 995^2 .

It is not a de Polignac number, because 2753609 - 2¹⁶ = 2688073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2753809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80972 + ... + 81005.

It is an arithmetic number, because the mean of its divisors is an integer number (728901).

2^2753609 is an apocalyptic number.

It is an amenable number.

2753609 is a deficient number, since it is larger than the sum of its proper divisors (161995).

2753609 is a wasteful number, since it uses less digits than its factorization.

2753609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161994.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 2753609 is about 1659.4001928408. The cubic root of 2753609 is about 140.1632279836.

The spelling of 2753609 in words is "two million, seven hundred fifty-three thousand, six hundred nine".