2056617 has 24 divisors (see below), whose sum is σ = 3230880. Its totient is φ = 1292760.

The previous prime is 2056603. The next prime is 2056627. The reversal of 2056617 is 7166502.

It is not a de Polignac number, because 2056617 - 2⁶ = 2056553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2056627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9642 + ... + 9852.

It is an arithmetic number, because the mean of its divisors is an integer number (134620).

2^2056617 is an apocalyptic number.

2056617 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2056617 is a deficient number, since it is larger than the sum of its proper divisors (1174263).

2056617 is a wasteful number, since it uses less digits than its factorization.

2056617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 233 counting only the distinct ones).

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

The square root of 2056617 is about 1434.0910012966. The cubic root of 2056617 is about 127.1699421680.

The spelling of 2056617 in words is "two million, fifty-six thousand, six hundred seventeen".