2658005 has 24 divisors (see below), whose sum is σ = 3912480. Its totient is φ = 1723680.

The previous prime is 2657999. The next prime is 2658013. The reversal of 2658005 is 5008562.

2658005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2658005 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 4370 + ... + 4940.

It is an arithmetic number, because the mean of its divisors is an integer number (163020).

2^2658005 is an apocalyptic number.

It is an amenable number.

2658005 is a deficient number, since it is larger than the sum of its proper divisors (1254475).

2658005 is a wasteful number, since it uses less digits than its factorization.

2658005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2658005 is about 1630.3389218196. The cubic root of 2658005 is about 138.5219504106.

The spelling of 2658005 in words is "two million, six hundred fifty-eight thousand, five".