2315571 has 16 divisors (see below), whose sum is σ = 3312384. Its totient is φ = 1435104.

The previous prime is 2315567. The next prime is 2315581. The reversal of 2315571 is 1755132.

2315571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2315571 - 2² = 2315567 is a prime.

2315571 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315581) 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 15 ways as a sum of consecutive naturals, for example, 2100 + ... + 3006.

It is an arithmetic number, because the mean of its divisors is an integer number (207024).

2^2315571 is an apocalyptic number.

2315571 is a deficient number, since it is larger than the sum of its proper divisors (996813).

2315571 is a wasteful number, since it uses less digits than its factorization.

2315571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970.

The product of its digits is 1050, while the sum is 24.

The square root of 2315571 is about 1521.7000361438. The cubic root of 2315571 is about 132.2978238590.

The spelling of 2315571 in words is "two million, three hundred fifteen thousand, five hundred seventy-one".