413538681 has 8 divisors (see below), whose sum is σ = 554572800. Its totient is φ = 274098512.

The previous prime is 413538659. The next prime is 413538691. The reversal of 413538681 is 186835314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 413538681 - 2¹⁵ = 413505913 is a prime.

It is a super-2 number, since 2×413538681² = 342028481366439522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (413538641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397881 + ... + 398918.

It is an arithmetic number, because the mean of its divisors is an integer number (69321600).

Almost surely, 2^413538681 is an apocalyptic number.

It is an amenable number.

413538681 is a deficient number, since it is larger than the sum of its proper divisors (141034119).

413538681 is a wasteful number, since it uses less digits than its factorization.

413538681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796975.

The product of its digits is 69120, while the sum is 39.

The square root of 413538681 is about 20335.6504936528. The cubic root of 413538681 is about 745.0270584590.

The spelling of 413538681 in words is "four hundred thirteen million, five hundred thirty-eight thousand, six hundred eighty-one".