42382393 has 2 divisors, whose sum is σ = 42382394. Its totient is φ = 42382392.

The previous prime is 42382357. The next prime is 42382409. The reversal of 42382393 is 39328324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 20358144 = 4693^2 + 4512^2 .

It is a cyclic number.

It is not a de Polignac number, because 42382393 - 2⁹ = 42381881 is a prime.

It is not a weakly prime, because it can be changed into another prime (42382493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21191196 + 21191197.

It is an arithmetic number, because the mean of its divisors is an integer number (21191197).

Almost surely, 2^42382393 is an apocalyptic number.

It is an amenable number.

42382393 is a deficient number, since it is larger than the sum of its proper divisors (1).

42382393 is an equidigital number, since it uses as much as digits as its factorization.

42382393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 42382393 is about 6510.1761112892. The cubic root of 42382393 is about 348.6544062111.

The spelling of 42382393 in words is "forty-two million, three hundred eighty-two thousand, three hundred ninety-three".