411481409 has 4 divisors (see below), whose sum is σ = 411857604. Its totient is φ = 411105216.

The previous prime is 411481393. The next prime is 411481451. The reversal of 411481409 is 904184114.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 904184114 = 2 ⋅452092057.

It can be written as a sum of positive squares in 2 ways, for example, as 225840784 + 185640625 = 15028^2 + 13625^2 .

It is a cyclic number.

It is not a de Polignac number, because 411481409 - 2⁴ = 411481393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (411481489) 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, 186452 + ... + 188645.

It is an arithmetic number, because the mean of its divisors is an integer number (102964401).

Almost surely, 2^411481409 is an apocalyptic number.

It is an amenable number.

411481409 is a deficient number, since it is larger than the sum of its proper divisors (376195).

411481409 is a wasteful number, since it uses less digits than its factorization.

411481409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376194.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 411481409 is about 20285.0045353705. The cubic root of 411481409 is about 743.7895506685.

The spelling of 411481409 in words is "four hundred eleven million, four hundred eighty-one thousand, four hundred nine".