411965 has 4 divisors (see below), whose sum is σ = 494364. Its totient is φ = 329568.

The previous prime is 411947. The next prime is 411967. The reversal of 411965 is 569114.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 268324 + 143641 = 518^2 + 379^2 .

It is a cyclic number.

It is not a de Polignac number, because 411965 - 2⁸ = 411709 is a prime.

It is a super-2 number, since 2×411965² = 339430322450, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 411965.

It is not an unprimeable number, because it can be changed into a prime (411967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41192 + ... + 41201.

It is an arithmetic number, because the mean of its divisors is an integer number (123591).

2⁴¹¹⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

411965 is a deficient number, since it is larger than the sum of its proper divisors (82399).

411965 is an equidigital number, since it uses as much as digits as its factorization.

411965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82398.

The product of its digits is 1080, while the sum is 26.

The square root of 411965 is about 641.8449968645. The cubic root of 411965 is about 74.4080814631.

The spelling of 411965 in words is "four hundred eleven thousand, nine hundred sixty-five".