641037 has 8 divisors (see below), whose sum is σ = 863136. Its totient is φ = 423152.

The previous prime is 640993. The next prime is 641051. The reversal of 641037 is 730146.

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 641037 - 2⁶ = 640973 is a prime.

It is a congruent number.

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, 678 + ... + 1319.

It is an arithmetic number, because the mean of its divisors is an integer number (107892).

2⁶⁴¹⁰³⁷ is an apocalyptic number.

It is an amenable number.

641037 is a deficient number, since it is larger than the sum of its proper divisors (222099).

641037 is a wasteful number, since it uses less digits than its factorization.

641037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 641037 is about 800.6478626712. The cubic root of 641037 is about 86.2239072510.

The spelling of 641037 in words is "six hundred forty-one thousand, thirty-seven".