42104297 has 2 divisors, whose sum is σ = 42104298. Its totient is φ = 42104296.

The previous prime is 42104287. The next prime is 42104299. The reversal of 42104297 is 79240124.

42104297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33918976 + 8185321 = 5824^2 + 2861^2 .

It is a cyclic number.

It is not a de Polignac number, because 42104297 - 2⁴ = 42104281 is a prime.

Together with 42104299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42104299) 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, 21052148 + 21052149.

It is an arithmetic number, because the mean of its divisors is an integer number (21052149).

Almost surely, 2^42104297 is an apocalyptic number.

It is an amenable number.

42104297 is a deficient number, since it is larger than the sum of its proper divisors (1).

42104297 is an equidigital number, since it uses as much as digits as its factorization.

42104297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 42104297 is about 6488.7823973377. The cubic root of 42104297 is about 347.8901561324.

The spelling of 42104297 in words is "forty-two million, one hundred four thousand, two hundred ninety-seven".