413913121 has 4 divisors (see below), whose sum is σ = 420698644. Its totient is φ = 407127600.

The previous prime is 413913113. The next prime is 413913131. The reversal of 413913121 is 121319314.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77704225 + 336208896 = 8815^2 + 18336^2 .

It is a cyclic number.

It is not a de Polignac number, because 413913121 - 2³ = 413913113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (413913131) 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, 3392670 + ... + 3392791.

It is an arithmetic number, because the mean of its divisors is an integer number (105174661).

Almost surely, 2^413913121 is an apocalyptic number.

It is an amenable number.

413913121 is a deficient number, since it is larger than the sum of its proper divisors (6785523).

413913121 is an equidigital number, since it uses as much as digits as its factorization.

413913121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6785522.

The product of its digits is 648, while the sum is 25.

The square root of 413913121 is about 20344.8549024071. The cubic root of 413913121 is about 745.2518530505.

The spelling of 413913121 in words is "four hundred thirteen million, nine hundred thirteen thousand, one hundred twenty-one".