641093 has 2 divisors, whose sum is σ = 641094. Its totient is φ = 641092.

The previous prime is 641089. The next prime is 641101. The reversal of 641093 is 390146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351649 + 289444 = 593^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 641093 - 2² = 641089 is a prime.

It is a super-2 number, since 2×641093² = 822000469298, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (641083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320546 + 320547.

It is an arithmetic number, because the mean of its divisors is an integer number (320547).

2⁶⁴¹⁰⁹³ is an apocalyptic number.

It is an amenable number.

641093 is a deficient number, since it is larger than the sum of its proper divisors (1).

641093 is an equidigital number, since it uses as much as digits as its factorization.

641093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 641093 is about 800.6828335864. The cubic root of 641093 is about 86.2264179736.

The spelling of 641093 in words is "six hundred forty-one thousand, ninety-three".