2661593 has 4 divisors (see below), whose sum is σ = 2903568. Its totient is φ = 2419620.

The previous prime is 2661569. The next prime is 2661611. The reversal of 2661593 is 3951662.

It is a happy number.

2661593 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 2661593 - 2¹⁰ = 2660569 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 (2661553) 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, 120971 + ... + 120992.

It is an arithmetic number, because the mean of its divisors is an integer number (725892).

2^2661593 is an apocalyptic number.

It is an amenable number.

2661593 is a deficient number, since it is larger than the sum of its proper divisors (241975).

2661593 is a wasteful number, since it uses less digits than its factorization.

2661593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241974.

The product of its digits is 9720, while the sum is 32.

The square root of 2661593 is about 1631.4389354187. The cubic root of 2661593 is about 138.5842519347.

The spelling of 2661593 in words is "two million, six hundred sixty-one thousand, five hundred ninety-three".