42301489 has 2 divisors, whose sum is σ = 42301490. Its totient is φ = 42301488.

The previous prime is 42301481. The next prime is 42301499. The reversal of 42301489 is 98410324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41177889 + 1123600 = 6417^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 42301489 - 2³ = 42301481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42301489.

It is not a weakly prime, because it can be changed into another prime (42301481) 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, 21150744 + 21150745.

It is an arithmetic number, because the mean of its divisors is an integer number (21150745).

Almost surely, 2^42301489 is an apocalyptic number.

It is an amenable number.

42301489 is a deficient number, since it is larger than the sum of its proper divisors (1).

42301489 is an equidigital number, since it uses as much as digits as its factorization.

42301489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 42301489 is about 6503.9594863437. The cubic root of 42301489 is about 348.4324154137.

The spelling of 42301489 in words is "forty-two million, three hundred one thousand, four hundred eighty-nine".