2563143 has 24 divisors (see below), whose sum is σ = 3932544. Its totient is φ = 1481040.

The previous prime is 2563139. The next prime is 2563147. The reversal of 2563143 is 3413652.

It is a happy number.

2563143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2563139) and next prime (2563147).

It is not a de Polignac number, because 2563143 - 2² = 2563139 is a prime.

2563143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563147) 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 23 ways as a sum of consecutive naturals, for example, 8196 + ... + 8502.

It is an arithmetic number, because the mean of its divisors is an integer number (163856).

2^2563143 is an apocalyptic number.

2563143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2563143 is a deficient number, since it is larger than the sum of its proper divisors (1369401).

2563143 is a wasteful number, since it uses less digits than its factorization.

2563143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 344 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 2563143 is about 1600.9818862186. The cubic root of 2563143 is about 136.8540367386.

Adding to 2563143 its reverse (3413652), we get a palindrome (5976795).

The spelling of 2563143 in words is "two million, five hundred sixty-three thousand, one hundred forty-three".