2381271 has 4 divisors (see below), whose sum is σ = 3175032. Its totient is φ = 1587512.

The previous prime is 2381263. The next prime is 2381273. The reversal of 2381271 is 1721832.

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 2381271 - 2³ = 2381263 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381273) 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, 396876 + ... + 396881.

It is an arithmetic number, because the mean of its divisors is an integer number (793758).

2^2381271 is an apocalyptic number.

2381271 is a deficient number, since it is larger than the sum of its proper divisors (793761).

2381271 is an equidigital number, since it uses as much as digits as its factorization.

2381271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793760.

The product of its digits is 672, while the sum is 24.

The square root of 2381271 is about 1543.1367405386. The cubic root of 2381271 is about 133.5374076321.

The spelling of 2381271 in words is "two million, three hundred eighty-one thousand, two hundred seventy-one".