42533143 has 2 divisors, whose sum is σ = 42533144. Its totient is φ = 42533142.

The previous prime is 42533131. The next prime is 42533171. The reversal of 42533143 is 34133524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42533143 - 2¹⁷ = 42402071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42513143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21266571 + 21266572.

It is an arithmetic number, because the mean of its divisors is an integer number (21266572).

Almost surely, 2^42533143 is an apocalyptic number.

42533143 is a deficient number, since it is larger than the sum of its proper divisors (1).

42533143 is an equidigital number, since it uses as much as digits as its factorization.

42533143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 25.

The square root of 42533143 is about 6521.7438618823. The cubic root of 42533143 is about 349.0672935319.

Adding to 42533143 its reverse (34133524), we get a palindrome (76666667).

It can be divided in two parts, 4253 and 3143, that added together give a square (7396 = 86²).

The spelling of 42533143 in words is "forty-two million, five hundred thirty-three thousand, one hundred forty-three".