2641445 has 4 divisors (see below), whose sum is σ = 3169740. Its totient is φ = 2113152.

The previous prime is 2641433. The next prime is 2641451. The reversal of 2641445 is 5441462.

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 334084 + 2307361 = 578^2 + 1519^2 .

It is a cyclic number.

It is not a de Polignac number, because 2641445 - 2¹⁴ = 2625061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264140 + ... + 264149.

It is an arithmetic number, because the mean of its divisors is an integer number (792435).

2^2641445 is an apocalyptic number.

It is an amenable number.

2641445 is a deficient number, since it is larger than the sum of its proper divisors (528295).

2641445 is an equidigital number, since it uses as much as digits as its factorization.

2641445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528294.

The product of its digits is 3840, while the sum is 26.

The square root of 2641445 is about 1625.2522881079. The cubic root of 2641445 is about 138.2336760655.

The spelling of 2641445 in words is "two million, six hundred forty-one thousand, four hundred forty-five".