42595331 has 2 divisors, whose sum is σ = 42595332. Its totient is φ = 42595330.

The previous prime is 42595307. The next prime is 42595337. The reversal of 42595331 is 13359524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42595331 - 2¹⁴ = 42578947 is a prime.

It is a super-2 number, since 2×42595331² = 3628724445999122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42595337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21297665 + 21297666.

It is an arithmetic number, because the mean of its divisors is an integer number (21297666).

Almost surely, 2^42595331 is an apocalyptic number.

42595331 is a deficient number, since it is larger than the sum of its proper divisors (1).

42595331 is an equidigital number, since it uses as much as digits as its factorization.

42595331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 32.

The square root of 42595331 is about 6526.5098636254. The cubic root of 42595331 is about 349.2373352468.

The spelling of 42595331 in words is "forty-two million, five hundred ninety-five thousand, three hundred thirty-one".