2115271 has 4 divisors (see below), whose sum is σ = 2127672. Its totient is φ = 2102872.

The previous prime is 2115233. The next prime is 2115277. The reversal of 2115271 is 1725112.

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 2115271 - 2¹⁵ = 2082503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115277) 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, 5941 + ... + 6286.

It is an arithmetic number, because the mean of its divisors is an integer number (531918).

2^2115271 is an apocalyptic number.

2115271 is a deficient number, since it is larger than the sum of its proper divisors (12401).

2115271 is a wasteful number, since it uses less digits than its factorization.

2115271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12400.

The product of its digits is 140, while the sum is 19.

The square root of 2115271 is about 1454.3971259598. The cubic root of 2115271 is about 128.3675754282.

The spelling of 2115271 in words is "two million, one hundred fifteen thousand, two hundred seventy-one".