42356101 has 2 divisors, whose sum is σ = 42356102. Its totient is φ = 42356100.

The previous prime is 42356089. The next prime is 42356107. The reversal of 42356101 is 10165324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22562500 + 19793601 = 4750^2 + 4449^2 .

It is a cyclic number.

It is not a de Polignac number, because 42356101 - 2⁹ = 42355589 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 (42356107) 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, 21178050 + 21178051.

It is an arithmetic number, because the mean of its divisors is an integer number (21178051).

Almost surely, 2^42356101 is an apocalyptic number.

It is an amenable number.

42356101 is a deficient number, since it is larger than the sum of its proper divisors (1).

42356101 is an equidigital number, since it uses as much as digits as its factorization.

42356101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 42356101 is about 6508.1564978110. The cubic root of 42356101 is about 348.5822951511.

The spelling of 42356101 in words is "forty-two million, three hundred fifty-six thousand, one hundred one".