2636143 has 2 divisors, whose sum is σ = 2636144. Its totient is φ = 2636142.

The previous prime is 2636119. The next prime is 2636149. The reversal of 2636143 is 3416362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2636143 is a prime.

2636143 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2636149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1318071 + 1318072.

It is an arithmetic number, because the mean of its divisors is an integer number (1318072).

2^2636143 is an apocalyptic number.

2636143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2636143 is an equidigital number, since it uses as much as digits as its factorization.

2636143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

The square root of 2636143 is about 1623.6203373942. The cubic root of 2636143 is about 138.1411249713.

The spelling of 2636143 in words is "two million, six hundred thirty-six thousand, one hundred forty-three".