42340601 has 4 divisors (see below), whose sum is σ = 42361332. Its totient is φ = 42319872.

The previous prime is 42340559. The next prime is 42340621. The reversal of 42340601 is 10604324.

It is a happy number.

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 21864976 + 20475625 = 4676^2 + 4525^2 .

It is a cyclic number.

It is not a de Polignac number, because 42340601 - 2⁶ = 42340537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42340621) 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, 6920 + ... + 11513.

It is an arithmetic number, because the mean of its divisors is an integer number (10590333).

Almost surely, 2^42340601 is an apocalyptic number.

It is an amenable number.

42340601 is a deficient number, since it is larger than the sum of its proper divisors (20731).

42340601 is a wasteful number, since it uses less digits than its factorization.

42340601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20730.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42340601 is about 6506.9655754430. The cubic root of 42340601 is about 348.5397693233.

Adding to 42340601 its reverse (10604324), we get a palindrome (52944925).

The spelling of 42340601 in words is "forty-two million, three hundred forty thousand, six hundred one".