202641 has 4 divisors (see below), whose sum is σ = 270192. Its totient is φ = 135092.

The previous prime is 202639. The next prime is 202661. The reversal of 202641 is 146202.

202641 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202641 - 2¹ = 202639 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 202641.

It is not an unprimeable number, because it can be changed into a prime (202621) 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, 33771 + ... + 33776.

It is an arithmetic number, because the mean of its divisors is an integer number (67548).

2²⁰²⁶⁴¹ is an apocalyptic number.

It is an amenable number.

202641 is a deficient number, since it is larger than the sum of its proper divisors (67551).

202641 is an equidigital number, since it uses as much as digits as its factorization.

202641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67550.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 202641 is about 450.1566394046. The cubic root of 202641 is about 58.7366409946.

Adding to 202641 its reverse (146202), we get a palindrome (348843).

The spelling of 202641 in words is "two hundred two thousand, six hundred forty-one".