42412201 has 4 divisors (see below), whose sum is σ = 45674692. Its totient is φ = 39149712.

The previous prime is 42412157. The next prime is 42412211. The reversal of 42412201 is 10221424.

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 28729600 + 13682601 = 5360^2 + 3699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42412201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42412211) 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, 1631226 + ... + 1631251.

It is an arithmetic number, because the mean of its divisors is an integer number (11418673).

Almost surely, 2^42412201 is an apocalyptic number.

It is an amenable number.

42412201 is a deficient number, since it is larger than the sum of its proper divisors (3262491).

42412201 is a wasteful number, since it uses less digits than its factorization.

42412201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262490.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 42412201 is about 6512.4650478909. The cubic root of 42412201 is about 348.7361245406.

Adding to 42412201 its reverse (10221424), we get a palindrome (52633625).

The spelling of 42412201 in words is "forty-two million, four hundred twelve thousand, two hundred one".