2051342 has 8 divisors (see below), whose sum is σ = 3092232. Its totient is φ = 1020600.

The previous prime is 2051341. The next prime is 2051359. The reversal of 2051342 is 2431502.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2051342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051341) 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, 2009 + ... + 2852.

It is an arithmetic number, because the mean of its divisors is an integer number (386529).

2^2051342 is an apocalyptic number.

2051342 is a deficient number, since it is larger than the sum of its proper divisors (1040890).

2051342 is a wasteful number, since it uses less digits than its factorization.

2051342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2051342 is about 1432.2506763832. The cubic root of 2051342 is about 127.0611233664.

Subtracting from 2051342 its sum of digits (17), we obtain a triangular number (2051325 = T₂₀₂₅).

Adding to 2051342 its reverse (2431502), we get a palindrome (4482844).

The spelling of 2051342 in words is "two million, fifty-one thousand, three hundred forty-two".