412681 has 4 divisors (see below), whose sum is σ = 414100. Its totient is φ = 411264.

The previous prime is 412667. The next prime is 412717. The reversal of 412681 is 186214.

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 265225 + 147456 = 515^2 + 384^2 .

It is a cyclic number.

It is not a de Polignac number, because 412681 - 2¹³ = 404489 is a prime.

It is a super-2 number, since 2×412681² = 340611215522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96 + ... + 913.

It is an arithmetic number, because the mean of its divisors is an integer number (103525).

2⁴¹²⁶⁸¹ is an apocalyptic number.

It is an amenable number.

412681 is a deficient number, since it is larger than the sum of its proper divisors (1419).

412681 is a wasteful number, since it uses less digits than its factorization.

412681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418.

The product of its digits is 384, while the sum is 22.

The square root of 412681 is about 642.4025217883. The cubic root of 412681 is about 74.4511638861.

Adding to 412681 its reverse (186214), we get a palindrome (598895).

The spelling of 412681 in words is "four hundred twelve thousand, six hundred eighty-one".