2660542 has 8 divisors (see below), whose sum is σ = 4030632. Its totient is φ = 1317000.

The previous prime is 2660533. The next prime is 2660557. The reversal of 2660542 is 2450662.

2660542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 6384 + ... + 6787.

It is an arithmetic number, because the mean of its divisors is an integer number (503829).

2^2660542 is an apocalyptic number.

2660542 is a deficient number, since it is larger than the sum of its proper divisors (1370090).

2660542 is a wasteful number, since it uses less digits than its factorization.

2660542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13274.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2660542 is about 1631.1167953277. The cubic root of 2660542 is about 138.5660083209.

The spelling of 2660542 in words is "two million, six hundred sixty thousand, five hundred forty-two".