42028601 has 4 divisors (see below), whose sum is σ = 42240000. Its totient is φ = 41817204.

The previous prime is 42028583. The next prime is 42028603. The reversal of 42028601 is 10682024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42028601 - 2⁶ = 42028537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42028603) 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 3 ways as a sum of consecutive naturals, for example, 105401 + ... + 105798.

It is an arithmetic number, because the mean of its divisors is an integer number (10560000).

Almost surely, 2^42028601 is an apocalyptic number.

It is an amenable number.

42028601 is a deficient number, since it is larger than the sum of its proper divisors (211399).

42028601 is a wasteful number, since it uses less digits than its factorization.

42028601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211398.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 42028601 is about 6482.9469379288. The cubic root of 42028601 is about 347.6815496311.

The spelling of 42028601 in words is "forty-two million, twenty-eight thousand, six hundred one".