2159371 has 4 divisors (see below), whose sum is σ = 2164792. Its totient is φ = 2153952.

The previous prime is 2159363. The next prime is 2159383. The reversal of 2159371 is 1739512.

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 2159371 - 2³ = 2159363 is a prime.

It is a Duffinian number.

2159371 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2159351) 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, 2061 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (541198).

2^2159371 is an apocalyptic number.

2159371 is a deficient number, since it is larger than the sum of its proper divisors (5421).

2159371 is an equidigital number, since it uses as much as digits as its factorization.

2159371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420.

The product of its digits is 1890, while the sum is 28.

The square root of 2159371 is about 1469.4798399434. The cubic root of 2159371 is about 129.2535325965.

The spelling of 2159371 in words is "two million, one hundred fifty-nine thousand, three hundred seventy-one".