641035 has 16 divisors (see below), whose sum is σ = 816480. Its totient is φ = 482560.

The previous prime is 640993. The next prime is 641051. The reversal of 641035 is 530146.

It is not a de Polignac number, because 641035 - 2⁷ = 640907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10836 + ... + 10894.

It is an arithmetic number, because the mean of its divisors is an integer number (51030).

2⁶⁴¹⁰³⁵ is an apocalyptic number.

641035 is a deficient number, since it is larger than the sum of its proper divisors (175445).

641035 is a wasteful number, since it uses less digits than its factorization.

641035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 641035 is about 800.6466136817. The cubic root of 641035 is about 86.2238175796.

Subtracting from 641035 its reverse (530146), we obtain a square (110889 = 333²).

It can be divided in two parts, 6 and 41035, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 641035 in words is "six hundred forty-one thousand, thirty-five".