42920459 has 2 divisors, whose sum is σ = 42920460. Its totient is φ = 42920458.

The previous prime is 42920453. The next prime is 42920477. The reversal of 42920459 is 95402924.

42920459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42920459 - 2⁴ = 42920443 is a prime.

It is not a weakly prime, because it can be changed into another prime (42920453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21460229 + 21460230.

It is an arithmetic number, because the mean of its divisors is an integer number (21460230).

Almost surely, 2^42920459 is an apocalyptic number.

42920459 is a deficient number, since it is larger than the sum of its proper divisors (1).

42920459 is an equidigital number, since it uses as much as digits as its factorization.

42920459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 42920459 is about 6551.3707725941. The cubic root of 42920459 is about 350.1236542672.

The spelling of 42920459 in words is "forty-two million, nine hundred twenty thousand, four hundred fifty-nine".