641007 has 8 divisors (see below), whose sum is σ = 949680. Its totient is φ = 427320.

The previous prime is 640993. The next prime is 641051. The reversal of 641007 is 700146.

It is not a de Polignac number, because 641007 - 2⁶ = 640943 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 641007.

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 7 ways as a sum of consecutive naturals, for example, 11844 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (118710).

2⁶⁴¹⁰⁰⁷ is an apocalyptic number.

641007 is a deficient number, since it is larger than the sum of its proper divisors (308673).

641007 is a wasteful number, since it uses less digits than its factorization.

641007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23750 (or 23744 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 641007 is about 800.6291276240. The cubic root of 641007 is about 86.2225621609. Note that the first 3 decimals are identical.

The spelling of 641007 in words is "six hundred forty-one thousand, seven".