42601001 has 4 divisors (see below), whose sum is σ = 42622404. Its totient is φ = 42579600.

The previous prime is 42600979. The next prime is 42601049. The reversal of 42601001 is 10010624.

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 30691600 + 11909401 = 5540^2 + 3451^2 .

It is a cyclic number.

It is not a de Polignac number, because 42601001 - 2⁶ = 42600937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42601051) 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, 7370 + ... + 11811.

It is an arithmetic number, because the mean of its divisors is an integer number (10655601).

Almost surely, 2^42601001 is an apocalyptic number.

It is an amenable number.

42601001 is a deficient number, since it is larger than the sum of its proper divisors (21403).

42601001 is a wasteful number, since it uses less digits than its factorization.

42601001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21402.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 42601001 is about 6526.9442314149. The cubic root of 42601001 is about 349.2528305902.

Adding to 42601001 its reverse (10010624), we get a palindrome (52611625).

The spelling of 42601001 in words is "forty-two million, six hundred one thousand, one".