42133093 has 2 divisors, whose sum is σ = 42133094. Its totient is φ = 42133092.

The previous prime is 42133073. The next prime is 42133097. The reversal of 42133093 is 39033124.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36759969 + 5373124 = 6063^2 + 2318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42133093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42133097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21066546 + 21066547.

It is an arithmetic number, because the mean of its divisors is an integer number (21066547).

Almost surely, 2^42133093 is an apocalyptic number.

It is an amenable number.

42133093 is a deficient number, since it is larger than the sum of its proper divisors (1).

42133093 is an equidigital number, since it uses as much as digits as its factorization.

42133093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 42133093 is about 6491.0009243567. Note that the first 3 decimals coincide. The cubic root of 42133093 is about 347.9694478176.

The spelling of 42133093 in words is "forty-two million, one hundred thirty-three thousand, ninety-three".