413661553 has 2 divisors, whose sum is σ = 413661554. Its totient is φ = 413661552.

The previous prime is 413661533. The next prime is 413661569. The reversal of 413661553 is 355166314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342546064 + 71115489 = 18508^2 + 8433^2 .

It is a cyclic number.

It is not a de Polignac number, because 413661553 - 2⁹ = 413661041 is a prime.

It is a super-2 number, since 2×413661553² = 342231760860743618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (413661503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206830776 + 206830777.

It is an arithmetic number, because the mean of its divisors is an integer number (206830777).

Almost surely, 2^413661553 is an apocalyptic number.

It is an amenable number.

413661553 is a deficient number, since it is larger than the sum of its proper divisors (1).

413661553 is an equidigital number, since it uses as much as digits as its factorization.

413661553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 34.

The square root of 413661553 is about 20338.6713676189. The cubic root of 413661553 is about 745.1008394650.

The spelling of 413661553 in words is "four hundred thirteen million, six hundred sixty-one thousand, five hundred fifty-three".