42536653 has 4 divisors (see below), whose sum is σ = 42549820. Its totient is φ = 42523488.

The previous prime is 42536647. The next prime is 42536657. The reversal of 42536653 is 35663524.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 40678884 + 1857769 = 6378^2 + 1363^2 .

It is a cyclic number.

It is not a de Polignac number, because 42536653 - 2⁹ = 42536141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42536657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951 + ... + 9427.

It is an arithmetic number, because the mean of its divisors is an integer number (10637455).

Almost surely, 2^42536653 is an apocalyptic number.

It is an amenable number.

42536653 is a deficient number, since it is larger than the sum of its proper divisors (13167).

42536653 is an equidigital number, since it uses as much as digits as its factorization.

42536653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13166.

The product of its digits is 64800, while the sum is 34.

The square root of 42536653 is about 6522.0129561356. The cubic root of 42536653 is about 349.0768953970.

The spelling of 42536653 in words is "forty-two million, five hundred thirty-six thousand, six hundred fifty-three".