2052742 has 4 divisors (see below), whose sum is σ = 3079116. Its totient is φ = 1026370.

The previous prime is 2052737. The next prime is 2052749. The reversal of 2052742 is 2472502.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052749) 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 as a sum of consecutive naturals, namely, 513184 + ... + 513187.

It is an arithmetic number, because the mean of its divisors is an integer number (769779).

2^2052742 is an apocalyptic number.

2052742 is a deficient number, since it is larger than the sum of its proper divisors (1026374).

2052742 is a wasteful number, since it uses less digits than its factorization.

2052742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026373.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2052742 is about 1432.7393342824. The cubic root of 2052742 is about 127.0900223539.

The spelling of 2052742 in words is "two million, fifty-two thousand, seven hundred forty-two".