2142895 has 4 divisors (see below), whose sum is σ = 2571480. Its totient is φ = 1714312.

The previous prime is 2142883. The next prime is 2142911. The reversal of 2142895 is 5982412.

2142895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2142895 - 2¹¹ = 2140847 is a prime.

2142895 is a lucky 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, 214285 + ... + 214294.

It is an arithmetic number, because the mean of its divisors is an integer number (642870).

2^2142895 is an apocalyptic number.

2142895 is a deficient number, since it is larger than the sum of its proper divisors (428585).

2142895 is an equidigital number, since it uses as much as digits as its factorization.

2142895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428584.

The product of its digits is 5760, while the sum is 31.

The square root of 2142895 is about 1463.8630400417. The cubic root of 2142895 is about 128.9239581489.

The spelling of 2142895 in words is "two million, one hundred forty-two thousand, eight hundred ninety-five".