2054815 has 12 divisors (see below), whose sum is σ = 2868696. Its totient is φ = 1408848.

The previous prime is 2054791. The next prime is 2054821. The reversal of 2054815 is 5184502.

It is not a de Polignac number, because 2054815 - 2⁷ = 2054687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2054815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3949 + ... + 4438.

It is an arithmetic number, because the mean of its divisors is an integer number (239058).

2^2054815 is an apocalyptic number.

2054815 is a deficient number, since it is larger than the sum of its proper divisors (813881).

2054815 is an equidigital number, since it uses as much as digits as its factorization.

2054815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8406 (or 8399 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2054815 is about 1433.4625910710. The cubic root of 2054815 is about 127.1327893748.

The spelling of 2054815 in words is "two million, fifty-four thousand, eight hundred fifteen".