641341 has 4 divisors (see below), whose sum is σ = 649152. Its totient is φ = 633532.

The previous prime is 641327. The next prime is 641371. The reversal of 641341 is 143146.

It is a happy number.

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 641341 - 2⁷ = 641213 is a prime.

It is a super-2 number, since 2×641341² = 822636556562, which contains 22 as substring.

It is a Duffinian number.

641341 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641371) 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, 3781 + ... + 3946.

It is an arithmetic number, because the mean of its divisors is an integer number (162288).

2⁶⁴¹³⁴¹ is an apocalyptic number.

It is an amenable number.

641341 is a deficient number, since it is larger than the sum of its proper divisors (7811).

641341 is an equidigital number, since it uses as much as digits as its factorization.

641341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7810.

The product of its digits is 288, while the sum is 19.

The square root of 641341 is about 800.8376864259. The cubic root of 641341 is about 86.2375351307.

Adding to 641341 its reverse (143146), we get a palindrome (784487).

The spelling of 641341 in words is "six hundred forty-one thousand, three hundred forty-one".