201427 has 4 divisors (see below), whose sum is σ = 204336. Its totient is φ = 198520.

The previous prime is 201413. The next prime is 201437. The reversal of 201427 is 724102.

201427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724102 = 2 ⋅362051.

It is a cyclic number.

It is not a de Polignac number, because 201427 - 2¹¹ = 199379 is a prime.

It is a Duffinian number.

201427 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 201427.

It is not an unprimeable number, because it can be changed into a prime (201437) 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, 1348 + ... + 1489.

It is an arithmetic number, because the mean of its divisors is an integer number (51084).

2²⁰¹⁴²⁷ is an apocalyptic number.

201427 is a deficient number, since it is larger than the sum of its proper divisors (2909).

201427 is an equidigital number, since it uses as much as digits as its factorization.

201427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908.

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

The square root of 201427 is about 448.8061942532. The cubic root of 201427 is about 58.6191110540.

Adding to 201427 its reverse (724102), we get a palindrome (925529).

The spelling of 201427 in words is "two hundred one thousand, four hundred twenty-seven", and thus it is an iban number.