52638143 has 2 divisors, whose sum is σ = 52638144. Its totient is φ = 52638142.

The previous prime is 52638139. The next prime is 52638197. The reversal of 52638143 is 34183625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52638143 - 2² = 52638139 is a prime.

It is equal to p_3149726 and since 52638143 and 3149726 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52638043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26319071 + 26319072.

It is an arithmetic number, because the mean of its divisors is an integer number (26319072).

Almost surely, 2^52638143 is an apocalyptic number.

52638143 is a deficient number, since it is larger than the sum of its proper divisors (1).

52638143 is an equidigital number, since it uses as much as digits as its factorization.

52638143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 52638143 is about 7255.2148831030. The cubic root of 52638143 is about 374.7717556254.

The spelling of 52638143 in words is "fifty-two million, six hundred thirty-eight thousand, one hundred forty-three".