412685081 has 4 divisors (see below), whose sum is σ = 436960692. Its totient is φ = 388409472.

The previous prime is 412685071. The next prime is 412685089. The reversal of 412685081 is 180586214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180586214 = 2 ⋅90293107.

It can be written as a sum of positive squares in 2 ways, for example, as 337273225 + 75411856 = 18365^2 + 8684^2 .

It is not a de Polignac number, because 412685081 - 2⁶ = 412685017 is a prime.

It is a super-2 number, since 2×412685081² = 340617952159953122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (412685089) 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, 12137780 + ... + 12137813.

It is an arithmetic number, because the mean of its divisors is an integer number (109240173).

Almost surely, 2^412685081 is an apocalyptic number.

It is an amenable number.

412685081 is a deficient number, since it is larger than the sum of its proper divisors (24275611).

412685081 is a wasteful number, since it uses less digits than its factorization.

412685081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24275610.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 412685081 is about 20314.6518798625. The cubic root of 412685081 is about 744.5140930100.

The spelling of 412685081 in words is "four hundred twelve million, six hundred eighty-five thousand, eighty-one".