42350117 has 2 divisors, whose sum is σ = 42350118. Its totient is φ = 42350116.

The previous prime is 42350081. The next prime is 42350131. The reversal of 42350117 is 71105324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38019556 + 4330561 = 6166^2 + 2081^2 .

It is a cyclic number.

It is not a de Polignac number, because 42350117 - 2⁶ = 42350053 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42350092 and 42350101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42350137) 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, 21175058 + 21175059.

It is an arithmetic number, because the mean of its divisors is an integer number (21175059).

Almost surely, 2^42350117 is an apocalyptic number.

It is an amenable number.

42350117 is a deficient number, since it is larger than the sum of its proper divisors (1).

42350117 is an equidigital number, since it uses as much as digits as its factorization.

42350117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 42350117 is about 6507.6967507714. The cubic root of 42350117 is about 348.5658786677.

The spelling of 42350117 in words is "forty-two million, three hundred fifty thousand, one hundred seventeen".