411345 has 32 divisors (see below), whose sum is σ = 800640. Its totient is φ = 198720.

The previous prime is 411337. The next prime is 411347. The reversal of 411345 is 543114.

It is a happy number.

It is not a de Polignac number, because 411345 - 2³ = 411337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (411347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1347 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (25020).

2⁴¹¹³⁴⁵ is an apocalyptic number.

411345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

411345 is a deficient number, since it is larger than the sum of its proper divisors (389295).

411345 is a wasteful number, since it uses less digits than its factorization.

411345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 296 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 411345 is about 641.3618323536. The cubic root of 411345 is about 74.3707351084.

Adding to 411345 its reverse (543114), we get a palindrome (954459).

Subtracting 411345 from its reverse (543114), we obtain a square (131769 = 363²).

The spelling of 411345 in words is "four hundred eleven thousand, three hundred forty-five".