2658045 has 32 divisors (see below), whose sum is σ = 4701312. Its totient is φ = 1274112.

The previous prime is 2658023. The next prime is 2658049. The reversal of 2658045 is 5408562.

It is not a de Polignac number, because 2658045 - 2⁵ = 2658013 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2658049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8227 + ... + 8543.

It is an arithmetic number, because the mean of its divisors is an integer number (146916).

2^2658045 is an apocalyptic number.

It is an amenable number.

2658045 is a deficient number, since it is larger than the sum of its proper divisors (2043267).

2658045 is a wasteful number, since it uses less digits than its factorization.

2658045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2658045 is about 1630.3511891614. The cubic root of 2658045 is about 138.5226452739.

The spelling of 2658045 in words is "two million, six hundred fifty-eight thousand, forty-five".