42536005 has 8 divisors (see below), whose sum is σ = 51742872. Its totient is φ = 33562368.

The previous prime is 42535981. The next prime is 42536033. The reversal of 42536005 is 50063524.

It can be written as a sum of positive squares in 4 ways, for example, as 17715681 + 24820324 = 4209^2 + 4982^2 .

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 42536005 - 2⁵ = 42535973 is a prime.

It is a Duffinian 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, 57904 + ... + 58633.

It is an arithmetic number, because the mean of its divisors is an integer number (6467859).

Almost surely, 2^42536005 is an apocalyptic number.

It is an amenable number.

42536005 is a deficient number, since it is larger than the sum of its proper divisors (9206867).

42536005 is a wasteful number, since it uses less digits than its factorization.

42536005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116615.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 42536005 is about 6521.9632780322. The cubic root of 42536005 is about 349.0751227847.

Adding to 42536005 its reverse (50063524), we get a palindrome (92599529).

The spelling of 42536005 in words is "forty-two million, five hundred thirty-six thousand, five".