2623271 has 4 divisors (see below), whose sum is σ = 2998032. Its totient is φ = 2248512.

The previous prime is 2623267. The next prime is 2623279. The reversal of 2623271 is 1723262.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2623271 - 2² = 2623267 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 (2623279) 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, 187370 + ... + 187383.

It is an arithmetic number, because the mean of its divisors is an integer number (749508).

2^2623271 is an apocalyptic number.

2623271 is a deficient number, since it is larger than the sum of its proper divisors (374761).

2623271 is an equidigital number, since it uses as much as digits as its factorization.

2623271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374760.

The product of its digits is 1008, while the sum is 23.

The square root of 2623271 is about 1619.6515057258. The cubic root of 2623271 is about 137.9159153105.

Subtracting from 2623271 its reverse (1723262), we obtain a palindrome (900009).

The spelling of 2623271 in words is "two million, six hundred twenty-three thousand, two hundred seventy-one".