2056541 has 8 divisors (see below), whose sum is σ = 2292480. Its totient is φ = 1833408.

The previous prime is 2056517. The next prime is 2056547. The reversal of 2056541 is 1456502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2056541 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 (2056547) 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 7 ways as a sum of consecutive naturals, for example, 2861 + ... + 3506.

It is an arithmetic number, because the mean of its divisors is an integer number (286560).

2^2056541 is an apocalyptic number.

It is an amenable number.

2056541 is a deficient number, since it is larger than the sum of its proper divisors (235939).

2056541 is a wasteful number, since it uses less digits than its factorization.

2056541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6403.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2056541 is about 1434.0645034307. The cubic root of 2056541 is about 127.1683756740.

The spelling of 2056541 in words is "two million, fifty-six thousand, five hundred forty-one".