647341 has 2 divisors, whose sum is σ = 647342. Its totient is φ = 647340.

The previous prime is 647333. The next prime is 647357. The reversal of 647341 is 143746.

647341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 594441 + 52900 = 771^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 647341 - 2³ = 647333 is a prime.

647341 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (647321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323670 + 323671.

It is an arithmetic number, because the mean of its divisors is an integer number (323671).

2⁶⁴⁷³⁴¹ is an apocalyptic number.

It is an amenable number.

647341 is a deficient number, since it is larger than the sum of its proper divisors (1).

647341 is an equidigital number, since it uses as much as digits as its factorization.

647341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 647341 is about 804.5750431128. The cubic root of 647341 is about 86.5056296246.

The spelling of 647341 in words is "six hundred forty-seven thousand, three hundred forty-one".