42608897 has 2 divisors, whose sum is σ = 42608898. Its totient is φ = 42608896.

The previous prime is 42608879. The next prime is 42608947. The reversal of 42608897 is 79880624.

Together with previous prime (42608879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42198016 + 410881 = 6496^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 42608897 - 2⁸ = 42608641 is a prime.

It is not a weakly prime, because it can be changed into another prime (42608807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21304448 + 21304449.

It is an arithmetic number, because the mean of its divisors is an integer number (21304449).

Almost surely, 2^42608897 is an apocalyptic number.

It is an amenable number.

42608897 is a deficient number, since it is larger than the sum of its proper divisors (1).

42608897 is an equidigital number, since it uses as much as digits as its factorization.

42608897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 42608897 is about 6527.5490806274. The cubic root of 42608897 is about 349.2744070001.

The spelling of 42608897 in words is "forty-two million, six hundred eight thousand, eight hundred ninety-seven".