413505243 has 40 divisors (see below), whose sum is σ = 636068928. Its totient is φ = 267560496.

The previous prime is 413505221. The next prime is 413505251. The reversal of 413505243 is 342505314.

413505243 is a `hidden beast` number, since 4 + 135 + 0 + 524 + 3 = 666.

It is not a de Polignac number, because 413505243 - 2¹⁰ = 413504219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (413501243) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 790380 + ... + 790902.

Almost surely, 2^413505243 is an apocalyptic number.

413505243 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

413505243 is a deficient number, since it is larger than the sum of its proper divisors (222563685).

413505243 is a wasteful number, since it uses less digits than its factorization.

413505243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 413505243 is about 20334.8283248224. The cubic root of 413505243 is about 745.0069773981.

The spelling of 413505243 in words is "four hundred thirteen million, five hundred five thousand, two hundred forty-three".