42133193 has 2 divisors, whose sum is σ = 42133194. Its totient is φ = 42133192.

The previous prime is 42133159. The next prime is 42133219. The reversal of 42133193 is 39133124.

It is a happy number.

It is an a-pointer prime, because the next prime (42133219) can be obtained adding 42133193 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41512249 + 620944 = 6443^2 + 788^2 .

It is a cyclic number.

It is not a de Polignac number, because 42133193 - 2⁶ = 42133129 is a prime.

It is equal to p_2555180 and since 42133193 and 2555180 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42133153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21066596 + 21066597.

It is an arithmetic number, because the mean of its divisors is an integer number (21066597).

Almost surely, 2^42133193 is an apocalyptic number.

It is an amenable number.

42133193 is a deficient number, since it is larger than the sum of its proper divisors (1).

42133193 is an equidigital number, since it uses as much as digits as its factorization.

42133193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 42133193 is about 6491.0086273244. The cubic root of 42133193 is about 347.9697231113.

The spelling of 42133193 in words is "forty-two million, one hundred thirty-three thousand, one hundred ninety-three".