42475793 has 2 divisors, whose sum is σ = 42475794. Its totient is φ = 42475792.

The previous prime is 42475751. The next prime is 42475801. The reversal of 42475793 is 39757424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34951744 + 7524049 = 5912^2 + 2743^2 .

It is a cyclic number.

It is not a de Polignac number, because 42475793 - 2¹² = 42471697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42475793.

It is not a weakly prime, because it can be changed into another prime (42475723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21237896 + 21237897.

It is an arithmetic number, because the mean of its divisors is an integer number (21237897).

Almost surely, 2^42475793 is an apocalyptic number.

It is an amenable number.

42475793 is a deficient number, since it is larger than the sum of its proper divisors (1).

42475793 is an equidigital number, since it uses as much as digits as its factorization.

42475793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 41.

The square root of 42475793 is about 6517.3455486110. The cubic root of 42475793 is about 348.9103334750.

The spelling of 42475793 in words is "forty-two million, four hundred seventy-five thousand, seven hundred ninety-three".