413455681 has 2 divisors, whose sum is σ = 413455682. Its totient is φ = 413455680.

The previous prime is 413455673. The next prime is 413455709. The reversal of 413455681 is 186554314.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264225025 + 149230656 = 16255^2 + 12216^2 .

It is a cyclic number.

It is not a de Polignac number, because 413455681 - 2³ = 413455673 is a prime.

It is a super-2 number, since 2×413455681² = 341891200302347522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 413455681.

It is not a weakly prime, because it can be changed into another prime (413458681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206727840 + 206727841.

It is an arithmetic number, because the mean of its divisors is an integer number (206727841).

Almost surely, 2^413455681 is an apocalyptic number.

It is an amenable number.

413455681 is a deficient number, since it is larger than the sum of its proper divisors (1).

413455681 is an equidigital number, since it uses as much as digits as its factorization.

413455681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 37.

The square root of 413455681 is about 20333.6096401992. The cubic root of 413455681 is about 744.9772111402.

The spelling of 413455681 in words is "four hundred thirteen million, four hundred fifty-five thousand, six hundred eighty-one".