427201 has 4 divisors (see below), whose sum is σ = 432432. Its totient is φ = 421972.

The previous prime is 427181. The next prime is 427213. The reversal of 427201 is 102724.

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 not a de Polignac number, because 427201 - 2⁵ = 427169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2491 + ... + 2656.

It is an arithmetic number, because the mean of its divisors is an integer number (108108).

2⁴²⁷²⁰¹ is an apocalyptic number.

It is an amenable number.

427201 is a deficient number, since it is larger than the sum of its proper divisors (5231).

427201 is an equidigital number, since it uses as much as digits as its factorization.

427201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 427201 is about 653.6061505219. The cubic root of 427201 is about 75.3142958830.

Adding to 427201 its reverse (102724), we get a palindrome (529925).

The spelling of 427201 in words is "four hundred twenty-seven thousand, two hundred one", and thus it is an iban number.