2642271 has 8 divisors (see below), whose sum is σ = 3531264. Its totient is φ = 1757400.

The previous prime is 2642257. The next prime is 2642287. The reversal of 2642271 is 1722462.

2642271 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 not a de Polignac number, because 2642271 - 2⁵ = 2642239 is a prime.

2642271 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642201) 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, 1096 + ... + 2546.

It is an arithmetic number, because the mean of its divisors is an integer number (441408).

2^2642271 is an apocalyptic number.

2642271 is a deficient number, since it is larger than the sum of its proper divisors (888993).

2642271 is a wasteful number, since it uses less digits than its factorization.

2642271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061.

The product of its digits is 1344, while the sum is 24.

The square root of 2642271 is about 1625.5063826390. The cubic root of 2642271 is about 138.2480834722.

The spelling of 2642271 in words is "two million, six hundred forty-two thousand, two hundred seventy-one".