2056331 has 4 divisors (see below), whose sum is σ = 2059200. Its totient is φ = 2053464.

The previous prime is 2056319. The next prime is 2056333. The reversal of 2056331 is 1336502.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2056331 - 2¹⁰ = 2055307 is a prime.

It is a super-2 number, since 2×2056331² = 8456994363122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710 + ... + 2148.

It is an arithmetic number, because the mean of its divisors is an integer number (514800).

2^2056331 is an apocalyptic number.

2056331 is a deficient number, since it is larger than the sum of its proper divisors (2869).

2056331 is a wasteful number, since it uses less digits than its factorization.

2056331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2056331 is about 1433.9912830976. The cubic root of 2056331 is about 127.1640470030.

The spelling of 2056331 in words is "two million, fifty-six thousand, three hundred thirty-one".