2097542 has 8 divisors (see below), whose sum is σ = 3154800. Its totient is φ = 1045944.

The previous prime is 2097539. The next prime is 2097559. The reversal of 2097542 is 2457902.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317 + ... + 2072.

It is an arithmetic number, because the mean of its divisors is an integer number (394350).

2^2097542 is an apocalyptic number.

2097542 is a deficient number, since it is larger than the sum of its proper divisors (1057258).

2097542 is a wasteful number, since it uses less digits than its factorization.

2097542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2097542 is about 1448.2893357337. The cubic root of 2097542 is about 128.0079340785.

The spelling of 2097542 in words is "two million, ninety-seven thousand, five hundred forty-two".