42075197 has 2 divisors, whose sum is σ = 42075198. Its totient is φ = 42075196.

The previous prime is 42075151. The next prime is 42075217. The reversal of 42075197 is 79157024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41036836 + 1038361 = 6406^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 42075197 - 2⁶ = 42075133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42075127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21037598 + 21037599.

It is an arithmetic number, because the mean of its divisors is an integer number (21037599).

Almost surely, 2^42075197 is an apocalyptic number.

It is an amenable number.

42075197 is a deficient number, since it is larger than the sum of its proper divisors (1).

42075197 is an equidigital number, since it uses as much as digits as its factorization.

42075197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 42075197 is about 6486.5396784418. The cubic root of 42075197 is about 347.8099906272.

The spelling of 42075197 in words is "forty-two million, seventy-five thousand, one hundred ninety-seven".