42536654 has 4 divisors (see below), whose sum is σ = 63804984. Its totient is φ = 21268326.

The previous prime is 42536647. The next prime is 42536657. The reversal of 42536654 is 45663524.

It is a happy number.

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

It is a Curzon 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 as a sum of consecutive naturals, namely, 10634162 + ... + 10634165.

It is an arithmetic number, because the mean of its divisors is an integer number (15951246).

Almost surely, 2^42536654 is an apocalyptic number.

42536654 is a deficient number, since it is larger than the sum of its proper divisors (21268330).

42536654 is a wasteful number, since it uses less digits than its factorization.

42536654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21268329.

The product of its digits is 86400, while the sum is 35.

The square root of 42536654 is about 6522.0130327990. The cubic root of 42536654 is about 349.0768981325.

The spelling of 42536654 in words is "forty-two million, five hundred thirty-six thousand, six hundred fifty-four".