413252230305521 has 4 divisors (see below), whose sum is σ = 421049442198132. Its totient is φ = 405455018412912.

The previous prime is 413252230305517. The next prime is 413252230305583. The reversal of 413252230305521 is 125503032252314.

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 351726169044496 + 61526061261025 = 18754364^2 + 7843855^2 .

It is a cyclic number.

It is not a de Polignac number, because 413252230305521 - 2² = 413252230305517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (413252230325521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3898605946226 + ... + 3898605946331.

It is an arithmetic number, because the mean of its divisors is an integer number (105262360549533).

Almost surely, 2^{413252230305521} is an apocalyptic number.

It is an amenable number.

413252230305521 is a deficient number, since it is larger than the sum of its proper divisors (7797211892611).

413252230305521 is an equidigital number, since it uses as much as digits as its factorization.

413252230305521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797211892610.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 413252230305521 its reverse (125503032252314), we get a palindrome (538755262557835).

The spelling of 413252230305521 in words is "four hundred thirteen trillion, two hundred fifty-two billion, two hundred thirty million, three hundred five thousand, five hundred twenty-one".