413131521 has 8 divisors (see below), whose sum is σ = 600918624. Its totient is φ = 250382720.

The previous prime is 413131519. The next prime is 413131531. The reversal of 413131521 is 125131314.

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 413131521 - 2¹ = 413131519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (413131531) 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, 6259536 + ... + 6259601.

It is an arithmetic number, because the mean of its divisors is an integer number (75114828).

Almost surely, 2^413131521 is an apocalyptic number.

It is an amenable number.

413131521 is a deficient number, since it is larger than the sum of its proper divisors (187787103).

413131521 is a wasteful number, since it uses less digits than its factorization.

413131521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12519151.

The product of its digits is 360, while the sum is 21.

The square root of 413131521 is about 20325.6370379873. The cubic root of 413131521 is about 744.7824664043.

Adding to 413131521 its reverse (125131314), we get a palindrome (538262835).

The spelling of 413131521 in words is "four hundred thirteen million, one hundred thirty-one thousand, five hundred twenty-one".