2471143 has 4 divisors (see below), whose sum is σ = 2578608. Its totient is φ = 2363680.

The previous prime is 2471113. The next prime is 2471149. The reversal of 2471143 is 3411742.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3411742 = 2 ⋅1705871.

It is a cyclic number.

It is not a de Polignac number, because 2471143 - 2⁹ = 2470631 is a prime.

It is a super-2 number, since 2×2471143² = 12213095452898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53698 + ... + 53743.

It is an arithmetic number, because the mean of its divisors is an integer number (644652).

2^2471143 is an apocalyptic number.

2471143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2471143 is a deficient number, since it is larger than the sum of its proper divisors (107465).

2471143 is a wasteful number, since it uses less digits than its factorization.

2471143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107464.

The product of its digits is 672, while the sum is 22.

The square root of 2471143 is about 1571.9869592334. The cubic root of 2471143 is about 135.1966589688.

Adding to 2471143 its reverse (3411742), we get a palindrome (5882885).

It can be divided in two parts, 2471 and 143, that multiplied together give a palindrome (353353).

The spelling of 2471143 in words is "two million, four hundred seventy-one thousand, one hundred forty-three".