2006542 has 8 divisors (see below), whose sum is σ = 3041136. Its totient is φ = 992832.

The previous prime is 2006507. The next prime is 2006549. The reversal of 2006542 is 2456002.

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 (2006549) 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, 4978 + ... + 5365.

It is an arithmetic number, because the mean of its divisors is an integer number (380142).

2^2006542 is an apocalyptic number.

2006542 is a deficient number, since it is larger than the sum of its proper divisors (1034594).

2006542 is a wasteful number, since it uses less digits than its factorization.

2006542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10442.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2006542 is about 1416.5246203296. The cubic root of 2006542 is about 126.1293288701.

The spelling of 2006542 in words is "two million, six thousand, five hundred forty-two".