42490337 has 2 divisors, whose sum is σ = 42490338. Its totient is φ = 42490336.

The previous prime is 42490333. The next prime is 42490417. The reversal of 42490337 is 73309424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32307856 + 10182481 = 5684^2 + 3191^2 .

It is a cyclic number.

It is not a de Polignac number, because 42490337 - 2² = 42490333 is a prime.

It is a super-3 number, since 3×42490337³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42490333) 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, 21245168 + 21245169.

It is an arithmetic number, because the mean of its divisors is an integer number (21245169).

Almost surely, 2^42490337 is an apocalyptic number.

It is an amenable number.

42490337 is a deficient number, since it is larger than the sum of its proper divisors (1).

42490337 is an equidigital number, since it uses as much as digits as its factorization.

42490337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 42490337 is about 6518.4612448031. The cubic root of 42490337 is about 348.9501520199.

The spelling of 42490337 in words is "forty-two million, four hundred ninety thousand, three hundred thirty-seven".