2157159 has 8 divisors (see below), whose sum is σ = 2937600. Its totient is φ = 1407416.

The previous prime is 2157157. The next prime is 2157163. The reversal of 2157159 is 9517512.

2157159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2157159 - 2¹ = 2157157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157151) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7509 + ... + 7790.

It is an arithmetic number, because the mean of its divisors is an integer number (367200).

2^2157159 is an apocalyptic number.

2157159 is a deficient number, since it is larger than the sum of its proper divisors (780441).

2157159 is a wasteful number, since it uses less digits than its factorization.

2157159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15349.

The product of its digits is 3150, while the sum is 30.

The square root of 2157159 is about 1468.7269998199. The cubic root of 2157159 is about 129.2093829351.

It can be divided in two parts, 215715 and 9, that multiplied together give a triangular number (1941435 = T₁₉₇₀).

The spelling of 2157159 in words is "two million, one hundred fifty-seven thousand, one hundred fifty-nine".