2056913 has 4 divisors (see below), whose sum is σ = 2146368. Its totient is φ = 1967460.

The previous prime is 2056909. The next prime is 2056919. The reversal of 2056913 is 3196502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2056913 - 2² = 2056909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2056919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44693 + ... + 44738.

It is an arithmetic number, because the mean of its divisors is an integer number (536592).

2^2056913 is an apocalyptic number.

2056913 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2056913 is a deficient number, since it is larger than the sum of its proper divisors (89455).

2056913 is an equidigital number, since it uses as much as digits as its factorization.

2056913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89454.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2056913 is about 1434.1941988448. The cubic root of 2056913 is about 127.1760428821.

The spelling of 2056913 in words is "two million, fifty-six thousand, nine hundred thirteen".