42032533 has 2 divisors, whose sum is σ = 42032534. Its totient is φ = 42032532.

The previous prime is 42032531. The next prime is 42032539. The reversal of 42032533 is 33523024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40870449 + 1162084 = 6393^2 + 1078^2 .

It is a cyclic number.

It is not a de Polignac number, because 42032533 - 2¹ = 42032531 is a prime.

Together with 42032531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42032531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21016266 + 21016267.

It is an arithmetic number, because the mean of its divisors is an integer number (21016267).

Almost surely, 2^42032533 is an apocalyptic number.

It is an amenable number.

42032533 is a deficient number, since it is larger than the sum of its proper divisors (1).

42032533 is an equidigital number, since it uses as much as digits as its factorization.

42032533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 42032533 is about 6483.2501879844. The cubic root of 42032533 is about 347.6923917814.

Adding to 42032533 its reverse (33523024), we get a palindrome (75555557).

The spelling of 42032533 in words is "forty-two million, thirty-two thousand, five hundred thirty-three".