411205 has 4 divisors (see below), whose sum is σ = 493452. Its totient is φ = 328960.

The previous prime is 411197. The next prime is 411211. The reversal of 411205 is 502114.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502114 = 2 ⋅251057.

It can be written as a sum of positive squares in 2 ways, for example, as 159201 + 252004 = 399^2 + 502^2 .

It is not a de Polignac number, because 411205 - 2³ = 411197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41116 + ... + 41125.

It is an arithmetic number, because the mean of its divisors is an integer number (123363).

2⁴¹¹²⁰⁵ is an apocalyptic number.

It is an amenable number.

411205 is a deficient number, since it is larger than the sum of its proper divisors (82247).

411205 is an equidigital number, since it uses as much as digits as its factorization.

411205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82246.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 411205 is about 641.2526803063. The cubic root of 411205 is about 74.3622968677.

Adding to 411205 its reverse (502114), we get a palindrome (913319).

Subtracting 411205 from its reverse (502114), we obtain a palindrome (90909).

It can be divided in two parts, 411 and 205, that multiplied together give a triangular number (84255 = T₄₁₀).

The spelling of 411205 in words is "four hundred eleven thousand, two hundred five".