42536306 has 4 divisors (see below), whose sum is σ = 63804462. Its totient is φ = 21268152.

The previous prime is 42536303. The next prime is 42536321. The reversal of 42536306 is 60363524.

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

It can be written as a sum of positive squares in only one way, i.e., 42133081 + 403225 = 6491^2 + 635^2 .

It is not an unprimeable number, because it can be changed into a prime (42536303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10634075 + ... + 10634078.

Almost surely, 2^42536306 is an apocalyptic number.

42536306 is a deficient number, since it is larger than the sum of its proper divisors (21268156).

42536306 is a wasteful number, since it uses less digits than its factorization.

42536306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21268155.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 42536306 is about 6521.9863538649. The cubic root of 42536306 is about 349.0759461763.

The spelling of 42536306 in words is "forty-two million, five hundred thirty-six thousand, three hundred six".