42536601 has 12 divisors (see below), whose sum is σ = 65056212. Its totient is φ = 26689536.

The previous prime is 42536561. The next prime is 42536609. The reversal of 42536601 is 10663524.

42536601 is a `hidden beast` number, since 4 + 2 + 53 + 6 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26255376 + 16281225 = 5124^2 + 4035^2 .

It is not a de Polignac number, because 42536601 - 2¹¹ = 42534553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42536609) 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 in 11 ways as a sum of consecutive naturals, for example, 138856 + ... + 139161.

It is an arithmetic number, because the mean of its divisors is an integer number (5421351).

Almost surely, 2^42536601 is an apocalyptic number.

It is an amenable number.

42536601 is a deficient number, since it is larger than the sum of its proper divisors (22519611).

42536601 is a wasteful number, since it uses less digits than its factorization.

42536601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278040 (or 278037 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 42536601 is about 6522.0089696350. The cubic root of 42536601 is about 349.0767531510.

The spelling of 42536601 in words is "forty-two million, five hundred thirty-six thousand, six hundred one".