42484319 has 2 divisors, whose sum is σ = 42484320. Its totient is φ = 42484318.

The previous prime is 42484313. The next prime is 42484331. The reversal of 42484319 is 91348424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42484319 - 2⁸ = 42484063 is a prime.

It is a super-2 number, since 2×42484319² = 3609834721787522, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42484313) 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, 21242159 + 21242160.

It is an arithmetic number, because the mean of its divisors is an integer number (21242160).

Almost surely, 2^42484319 is an apocalyptic number.

42484319 is a deficient number, since it is larger than the sum of its proper divisors (1).

42484319 is an equidigital number, since it uses as much as digits as its factorization.

42484319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The square root of 42484319 is about 6517.9996164468. Note that the first 3 decimals coincide. The cubic root of 42484319 is about 348.9336770492.

The spelling of 42484319 in words is "forty-two million, four hundred eighty-four thousand, three hundred nineteen".