2566142 has 8 divisors (see below), whose sum is σ = 3886896. Its totient is φ = 1270512.

The previous prime is 2566141. The next prime is 2566163. The reversal of 2566142 is 2416652.

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 (2566141) 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, 6023 + ... + 6434.

It is an arithmetic number, because the mean of its divisors is an integer number (485862).

2^2566142 is an apocalyptic number.

2566142 is a deficient number, since it is larger than the sum of its proper divisors (1320754).

2566142 is a wasteful number, since it uses less digits than its factorization.

2566142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12562.

The product of its digits is 2880, while the sum is 26.

The square root of 2566142 is about 1601.9182251289. The cubic root of 2566142 is about 136.9073911929.

The spelling of 2566142 in words is "two million, five hundred sixty-six thousand, one hundred forty-two".