4055517 has 12 divisors (see below), whose sum is σ = 5875740. Its totient is φ = 2695488.

The previous prime is 4055497. The next prime is 4055539. The reversal of 4055517 is 7155504.

It can be written as a sum of positive squares in 2 ways, for example, as 1920996 + 2134521 = 1386^2 + 1461^2 .

It is not a de Polignac number, because 4055517 - 2¹⁵ = 4022749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4609 + ... + 5417.

It is an arithmetic number, because the mean of its divisors is an integer number (489645).

Almost surely, 2^4055517 is an apocalyptic number.

It is an amenable number.

4055517 is a deficient number, since it is larger than the sum of its proper divisors (1820223).

4055517 is a wasteful number, since it uses less digits than its factorization.

4055517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 4055517 is about 2013.8314229349. The cubic root of 4055517 is about 159.4711313928.

The spelling of 4055517 in words is "four million, fifty-five thousand, five hundred seventeen".