42658607 has 2 divisors, whose sum is σ = 42658608. Its totient is φ = 42658606.

The previous prime is 42658601. The next prime is 42658621. The reversal of 42658607 is 70685624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42658607 - 2⁶ = 42658543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42658601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21329303 + 21329304.

It is an arithmetic number, because the mean of its divisors is an integer number (21329304).

Almost surely, 2^42658607 is an apocalyptic number.

42658607 is a deficient number, since it is larger than the sum of its proper divisors (1).

42658607 is an equidigital number, since it uses as much as digits as its factorization.

42658607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 42658607 is about 6531.3556785709. The cubic root of 42658607 is about 349.4101821110.

The spelling of 42658607 in words is "forty-two million, six hundred fifty-eight thousand, six hundred seven".