641335 has 8 divisors (see below), whose sum is σ = 796320. Its totient is φ = 495264.

The previous prime is 641327. The next prime is 641371. The reversal of 641335 is 533146.

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

It is a cyclic number.

It is not a de Polignac number, because 641335 - 2³ = 641327 is a prime.

It is a super-2 number, since 2×641335² = 822621164450, which contains 22 as substring.

It is a plaindrome in base 8.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2067 + ... + 2356.

It is an arithmetic number, because the mean of its divisors is an integer number (99540).

2⁶⁴¹³³⁵ is an apocalyptic number.

641335 is a deficient number, since it is larger than the sum of its proper divisors (154985).

641335 is a wasteful number, since it uses less digits than its factorization.

641335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457.

The product of its digits is 1080, while the sum is 22.

The square root of 641335 is about 800.8339403397. The cubic root of 641335 is about 86.2372662010.

The spelling of 641335 in words is "six hundred forty-one thousand, three hundred thirty-five".