2613445 has 4 divisors (see below), whose sum is σ = 3136140. Its totient is φ = 2090752.

The previous prime is 2613397. The next prime is 2613449. The reversal of 2613445 is 5443162.

2613445 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.

It can be written as a sum of positive squares in 2 ways, for example, as 591361 + 2022084 = 769^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 2613445 - 2²¹ = 516293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2613449) 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, 261340 + ... + 261349.

It is an arithmetic number, because the mean of its divisors is an integer number (784035).

2^2613445 is an apocalyptic number.

It is an amenable number.

2613445 is a deficient number, since it is larger than the sum of its proper divisors (522695).

2613445 is an equidigital number, since it uses as much as digits as its factorization.

2613445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522694.

The product of its digits is 2880, while the sum is 25.

The square root of 2613445 is about 1616.6152912799. The cubic root of 2613445 is about 137.7435024049.

The spelling of 2613445 in words is "two million, six hundred thirteen thousand, four hundred forty-five".