42350305 has 4 divisors (see below), whose sum is σ = 50820372. Its totient is φ = 33880240.

The previous prime is 42350303. The next prime is 42350317. The reversal of 42350305 is 50305324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10732176 + 31618129 = 3276^2 + 5623^2 .

It is not a de Polignac number, because 42350305 - 2¹ = 42350303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42350303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4235026 + ... + 4235035.

It is an arithmetic number, because the mean of its divisors is an integer number (12705093).

Almost surely, 2^42350305 is an apocalyptic number.

It is an amenable number.

42350305 is a deficient number, since it is larger than the sum of its proper divisors (8470067).

42350305 is an equidigital number, since it uses as much as digits as its factorization.

42350305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470066.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 42350305 is about 6507.7111951899. The cubic root of 42350305 is about 348.5663944497.

Adding to 42350305 its reverse (50305324), we get a palindrome (92655629).

The spelling of 42350305 in words is "forty-two million, three hundred fifty thousand, three hundred five".