42104501 has 4 divisors (see below), whose sum is σ = 42122604. Its totient is φ = 42086400.

The previous prime is 42104477. The next prime is 42104509. The reversal of 42104501 is 10540124.

42104501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22515025 + 19589476 = 4745^2 + 4426^2 .

It is a cyclic number.

It is not a de Polignac number, because 42104501 - 2¹⁴ = 42088117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42104501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42104509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4940 + ... + 10421.

It is an arithmetic number, because the mean of its divisors is an integer number (10530651).

Almost surely, 2^42104501 is an apocalyptic number.

It is an amenable number.

42104501 is a deficient number, since it is larger than the sum of its proper divisors (18103).

42104501 is a wasteful number, since it uses less digits than its factorization.

42104501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18102.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42104501 is about 6488.7981167548. The cubic root of 42104501 is about 347.8907179869.

Adding to 42104501 its reverse (10540124), we get a palindrome (52644625).

The spelling of 42104501 in words is "forty-two million, one hundred four thousand, five hundred one".