408241 has 2 divisors, whose sum is σ = 408242. Its totient is φ = 408240.

The previous prime is 408229. The next prime is 408251. The reversal of 408241 is 142804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245025 + 163216 = 495^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 408241 - 2⁵ = 408209 is a prime.

408241 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (408211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204120 + 204121.

It is an arithmetic number, because the mean of its divisors is an integer number (204121).

2⁴⁰⁸²⁴¹ is an apocalyptic number.

It is an amenable number.

408241 is a deficient number, since it is larger than the sum of its proper divisors (1).

408241 is an equidigital number, since it uses as much as digits as its factorization.

408241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 408241 is about 638.9373991245. The cubic root of 408241 is about 74.1831959680.

It can be divided in two parts, 40 and 8241, that added together give a square (8281 = 91²).

The spelling of 408241 in words is "four hundred eight thousand, two hundred forty-one".