641067 has 20 divisors (see below), whose sum is σ = 1008360. Its totient is φ = 362208.

The previous prime is 641057. The next prime is 641077. The reversal of 641067 is 760146.

It is an interprime number because it is at equal distance from previous prime (641057) and next prime (641077).

It is not a de Polignac number, because 641067 - 2⁴ = 641051 is a prime.

It is a nialpdrome in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 641067.

It is not an unprimeable number, because it can be changed into a prime (641057) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7159 + ... + 7247.

It is an arithmetic number, because the mean of its divisors is an integer number (50418).

2⁶⁴¹⁰⁶⁷ is an apocalyptic number.

641067 is a deficient number, since it is larger than the sum of its proper divisors (367293).

641067 is an frugal number, since it uses more digits than its factorization.

641067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 641067 is about 800.6665972800. Note that the first 3 decimals coincide. The cubic root of 641067 is about 86.2252522991.

The spelling of 641067 in words is "six hundred forty-one thousand, sixty-seven".