2042555 has 8 divisors (see below), whose sum is σ = 2458752. Its totient is φ = 1628928.

The previous prime is 2042549. The next prime is 2042581. The reversal of 2042555 is 5552402.

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

It is a cyclic number.

It is not a de Polignac number, because 2042555 - 2¹⁸ = 1780411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2699 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (307344).

2^2042555 is an apocalyptic number.

2042555 is a deficient number, since it is larger than the sum of its proper divisors (416197).

2042555 is an equidigital number, since it uses as much as digits as its factorization.

2042555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 2042555 is about 1429.1798347304. The cubic root of 2042555 is about 126.8794400155.

Adding to 2042555 its reverse (5552402), we get a palindrome (7594957).

The spelling of 2042555 in words is "two million, forty-two thousand, five hundred fifty-five".