2054709 has 6 divisors (see below), whose sum is σ = 2967926. Its totient is φ = 1369800.

The previous prime is 2054707. The next prime is 2054713. The reversal of 2054709 is 9074502.

It can be written as a sum of positive squares in only one way, i.e., 1782225 + 272484 = 1335^2 + 522^2 .

It is not a de Polignac number, because 2054709 - 2¹ = 2054707 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054707) 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 5 ways as a sum of consecutive naturals, for example, 114142 + ... + 114159.

2^2054709 is an apocalyptic number.

It is an amenable number.

2054709 is a deficient number, since it is larger than the sum of its proper divisors (913217).

2054709 is a wasteful number, since it uses less digits than its factorization.

2054709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228307 (or 228304 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2054709 is about 1433.4256171842. The cubic root of 2054709 is about 127.1306032401.

The spelling of 2054709 in words is "two million, fifty-four thousand, seven hundred nine".