42485105 has 8 divisors (see below), whose sum is σ = 54903912. Its totient is φ = 31373568.

The previous prime is 42485101. The next prime is 42485123. The reversal of 42485105 is 50158424.

It can be written as a sum of positive squares in 4 ways, for example, as 78961 + 42406144 = 281^2 + 6512^2 .

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 42485105 - 2² = 42485101 is a prime.

It is a super-2 number, since 2×42485105² = 3609968293722050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42485101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326744 + ... + 326873.

It is an arithmetic number, because the mean of its divisors is an integer number (6862989).

Almost surely, 2^42485105 is an apocalyptic number.

It is an amenable number.

42485105 is a deficient number, since it is larger than the sum of its proper divisors (12418807).

42485105 is a wasteful number, since it uses less digits than its factorization.

42485105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653635.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 42485105 is about 6518.0599107403. The cubic root of 42485105 is about 348.9358289034.

The spelling of 42485105 in words is "forty-two million, four hundred eighty-five thousand, one hundred five".