413643481 has 4 divisors (see below), whose sum is σ = 413685412. Its totient is φ = 413601552.

The previous prime is 413643467. The next prime is 413643487. The reversal of 413643481 is 184346314.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 395015625 + 18627856 = 19875^2 + 4316^2 .

It is a cyclic number.

It is not a de Polignac number, because 413643481 - 2⁷ = 413643353 is a prime.

It is a super-2 number, since 2×413643481² = 342201858747594722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (413643487) 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, 2851 + ... + 28903.

It is an arithmetic number, because the mean of its divisors is an integer number (103421353).

Almost surely, 2^413643481 is an apocalyptic number.

It is an amenable number.

413643481 is a deficient number, since it is larger than the sum of its proper divisors (41931).

413643481 is a wasteful number, since it uses less digits than its factorization.

413643481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41930.

The product of its digits is 27648, while the sum is 34.

The square root of 413643481 is about 20338.2270859581. The cubic root of 413643481 is about 745.0899886794.

Adding to 413643481 its reverse (184346314), we get a palindrome (597989795).

The spelling of 413643481 in words is "four hundred thirteen million, six hundred forty-three thousand, four hundred eighty-one".