2054665 has 8 divisors (see below), whose sum is σ = 2495808. Its totient is φ = 1623600.

The previous prime is 2054639. The next prime is 2054687. The reversal of 2054665 is 5664502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2054665 - 2⁷ = 2054537 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 2061 + ... + 2890.

It is an arithmetic number, because the mean of its divisors is an integer number (311976).

2^2054665 is an apocalyptic number.

It is an amenable number.

2054665 is a deficient number, since it is larger than the sum of its proper divisors (441143).

2054665 is an equidigital number, since it uses as much as digits as its factorization.

2054665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5039.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2054665 is about 1433.4102692530. The cubic root of 2054665 is about 127.1296957658.

The spelling of 2054665 in words is "two million, fifty-four thousand, six hundred sixty-five".