4052709 has 6 divisors (see below), whose sum is σ = 5853926. Its totient is φ = 2701800.

The previous prime is 4052701. The next prime is 4052717. The reversal of 4052709 is 9072504.

It is an interprime number because it is at equal distance from previous prime (4052701) and next prime (4052717).

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 2022084 = 1425^2 + 1422^2 .

It is not a de Polignac number, because 4052709 - 2³ = 4052701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4052701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225142 + ... + 225159.

Almost surely, 2^4052709 is an apocalyptic number.

It is an amenable number.

4052709 is a deficient number, since it is larger than the sum of its proper divisors (1801217).

4052709 is a wasteful number, since it uses less digits than its factorization.

4052709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450307 (or 450304 counting only the distinct ones).

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

The square root of 4052709 is about 2013.1341236987. The cubic root of 4052709 is about 159.4343174817.

It can be divided in two parts, 4052 and 709, that added together give a square (4761 = 69²).

The spelling of 4052709 in words is "four million, fifty-two thousand, seven hundred nine".