2141285 has 8 divisors (see below), whose sum is σ = 2581656. Its totient is φ = 1704960.

The previous prime is 2141261. The next prime is 2141297. The reversal of 2141285 is 5821412.

It can be written as a sum of positive squares in 4 ways, for example, as 417316 + 1723969 = 646^2 + 1313^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-2141285 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2141285.

It is a congruent number.

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, 317 + ... + 2093.

It is an arithmetic number, because the mean of its divisors is an integer number (322707).

2^2141285 is an apocalyptic number.

It is an amenable number.

2141285 is a deficient number, since it is larger than the sum of its proper divisors (440371).

2141285 is a wasteful number, since it uses less digits than its factorization.

2141285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023.

The product of its digits is 640, while the sum is 23.

The square root of 2141285 is about 1463.3130218788. The cubic root of 2141285 is about 128.8916623407.

Adding to 2141285 its reverse (5821412), we get a palindrome (7962697).

The spelling of 2141285 in words is "two million, one hundred forty-one thousand, two hundred eighty-five".