2056351 has 8 divisors (see below), whose sum is σ = 2361600. Its totient is φ = 1770840.

The previous prime is 2056343. The next prime is 2056357. The reversal of 2056351 is 1536502.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2056351 - 2³ = 2056343 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 (2056357) 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, 4711 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (295200).

2^2056351 is an apocalyptic number.

2056351 is a deficient number, since it is larger than the sum of its proper divisors (305249).

2056351 is a wasteful number, since it uses less digits than its factorization.

2056351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9869.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2056351 is about 1433.9982566238. The cubic root of 2056351 is about 127.1644592701.

It can be divided in two parts, 205 and 6351, that added together give a palindrome (6556).

The spelling of 2056351 in words is "two million, fifty-six thousand, three hundred fifty-one".