2043542 has 8 divisors (see below), whose sum is σ = 3073032. Its totient is φ = 1019200.

The previous prime is 2043541. The next prime is 2043571. The reversal of 2043542 is 2453402.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043541) 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 3 ways as a sum of consecutive naturals, for example, 59 + ... + 2022.

It is an arithmetic number, because the mean of its divisors is an integer number (384129).

2^2043542 is an apocalyptic number.

2043542 is a deficient number, since it is larger than the sum of its proper divisors (1029490).

2043542 is a wasteful number, since it uses less digits than its factorization.

2043542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2043542 is about 1429.5250959672. The cubic root of 2043542 is about 126.8998735479.

Adding to 2043542 its reverse (2453402), we get a palindrome (4496944).

The spelling of 2043542 in words is "two million, forty-three thousand, five hundred forty-two".