42253205 has 4 divisors (see below), whose sum is σ = 50703852. Its totient is φ = 33802560.

The previous prime is 42253199. The next prime is 42253213. The reversal of 42253205 is 50235224.

42253205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4418404 + 37834801 = 2102^2 + 6151^2 .

It is not a de Polignac number, because 42253205 - 2¹⁶ = 42187669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4225316 + ... + 4225325.

It is an arithmetic number, because the mean of its divisors is an integer number (12675963).

Almost surely, 2^42253205 is an apocalyptic number.

It is an amenable number.

42253205 is a deficient number, since it is larger than the sum of its proper divisors (8450647).

42253205 is an equidigital number, since it uses as much as digits as its factorization.

42253205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8450646.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 42253205 is about 6500.2465337862. The cubic root of 42253205 is about 348.2997950560.

Adding to 42253205 its reverse (50235224), we get a palindrome (92488429).

The spelling of 42253205 in words is "forty-two million, two hundred fifty-three thousand, two hundred five".