42564603 has 8 divisors (see below), whose sum is σ = 56819008. Its totient is φ = 28343304.

The previous prime is 42564569. The next prime is 42564607. The reversal of 42564603 is 30646524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42564603 - 2¹³ = 42556411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42564607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5101 + ... + 10542.

It is an arithmetic number, because the mean of its divisors is an integer number (7102376).

Almost surely, 2^42564603 is an apocalyptic number.

42564603 is a deficient number, since it is larger than the sum of its proper divisors (14254405).

42564603 is a wasteful number, since it uses less digits than its factorization.

42564603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16553.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 42564603 is about 6524.1553476293. The cubic root of 42564603 is about 349.1533358496.

The spelling of 42564603 in words is "forty-two million, five hundred sixty-four thousand, six hundred three".