641173 has 16 divisors (see below), whose sum is σ = 749056. Its totient is φ = 544320.

The previous prime is 641167. The next prime is 641197. The reversal of 641173 is 371146.

It is a cyclic number.

It is not a de Polignac number, because 641173 - 2¹⁷ = 510101 is a prime.

It is a super-2 number, since 2×641173² = 822205631858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14890 + ... + 14932.

It is an arithmetic number, because the mean of its divisors is an integer number (46816).

2⁶⁴¹¹⁷³ is an apocalyptic number.

It is an amenable number.

641173 is a deficient number, since it is larger than the sum of its proper divisors (107883).

641173 is a wasteful number, since it uses less digits than its factorization.

641173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124.

The product of its digits is 504, while the sum is 22.

The square root of 641173 is about 800.7327893873. The cubic root of 641173 is about 86.2300044665.

The spelling of 641173 in words is "six hundred forty-one thousand, one hundred seventy-three".