42075133 has 2 divisors, whose sum is σ = 42075134. Its totient is φ = 42075132.

The previous prime is 42075127. The next prime is 42075151. The reversal of 42075133 is 33157024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36324729 + 5750404 = 6027^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 42075133 - 2²¹ = 39977981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42075098 and 42075107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42073133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21037566 + 21037567.

It is an arithmetic number, because the mean of its divisors is an integer number (21037567).

Almost surely, 2^42075133 is an apocalyptic number.

It is an amenable number.

42075133 is a deficient number, since it is larger than the sum of its proper divisors (1).

42075133 is an equidigital number, since it uses as much as digits as its factorization.

42075133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 42075133 is about 6486.5347451471. The cubic root of 42075133 is about 347.8098142774.

The spelling of 42075133 in words is "forty-two million, seventy-five thousand, one hundred thirty-three".