201641 has 8 divisors (see below), whose sum is σ = 229824. Its totient is φ = 175120.

The previous prime is 201629. The next prime is 201653. The reversal of 201641 is 146102.

201641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201629) and next prime (201653).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201641 - 2⁶ = 201577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146 + ... + 651.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

2²⁰¹⁶⁴¹ is an apocalyptic number.

It is an amenable number.

201641 is a deficient number, since it is larger than the sum of its proper divisors (28183).

201641 is a wasteful number, since it uses less digits than its factorization.

201641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

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

The square root of 201641 is about 449.0445412206. The cubic root of 201641 is about 58.6398630715.

Adding to 201641 its reverse (146102), we get a palindrome (347743).

It can be divided in two parts, 20 and 1641, that added together give a palindrome (1661).

The spelling of 201641 in words is "two hundred one thousand, six hundred forty-one".