405341 has 2 divisors, whose sum is σ = 405342. Its totient is φ = 405340.

The previous prime is 405323. The next prime is 405343. The reversal of 405341 is 143504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403225 + 2116 = 635^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 405341 - 2⁶ = 405277 is a prime.

Together with 405343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202670 + 202671.

It is an arithmetic number, because the mean of its divisors is an integer number (202671).

2⁴⁰⁵³⁴¹ is an apocalyptic number.

It is an amenable number.

405341 is a deficient number, since it is larger than the sum of its proper divisors (1).

405341 is an equidigital number, since it uses as much as digits as its factorization.

405341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 405341 is about 636.6639615998. The cubic root of 405341 is about 74.0071213015.

Adding to 405341 its reverse (143504), we get a palindrome (548845).

The spelling of 405341 in words is "four hundred five thousand, three hundred forty-one".