42052205 has 8 divisors (see below), whose sum is σ = 54344472. Its totient is φ = 31053888.

The previous prime is 42052181. The next prime is 42052217. The reversal of 42052205 is 50225024.

It can be written as a sum of positive squares in 4 ways, for example, as 243049 + 41809156 = 493^2 + 6466^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42052205 - 2¹⁶ = 41986669 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323414 + ... + 323543.

It is an arithmetic number, because the mean of its divisors is an integer number (6793059).

Almost surely, 2^42052205 is an apocalyptic number.

It is an amenable number.

42052205 is a deficient number, since it is larger than the sum of its proper divisors (12292267).

42052205 is a wasteful number, since it uses less digits than its factorization.

42052205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646975.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 42052205 is about 6484.7671507927. The cubic root of 42052205 is about 347.7466254703.

Adding to 42052205 its reverse (50225024), we get a palindrome (92277229).

It can be divided in two parts, 4205 and 2205, that multiplied together give a square (9272025 = 3045²).

The spelling of 42052205 in words is "forty-two million, fifty-two thousand, two hundred five".