413501521 has 4 divisors (see below), whose sum is σ = 431479872. Its totient is φ = 395523172.

The previous prime is 413501513. The next prime is 413501551. The reversal of 413501521 is 125105314.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 125105314 = 2 ⋅62552657.

It is a cyclic number.

It is not a de Polignac number, because 413501521 - 2³ = 413501513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 413501492 and 413501501.

It is not an unprimeable number, because it can be changed into a prime (413501551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8989141 + ... + 8989186.

It is an arithmetic number, because the mean of its divisors is an integer number (107869968).

Almost surely, 2^413501521 is an apocalyptic number.

It is an amenable number.

413501521 is a deficient number, since it is larger than the sum of its proper divisors (17978351).

413501521 is a wasteful number, since it uses less digits than its factorization.

413501521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17978350.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 413501521 is about 20334.7368067551. The cubic root of 413501521 is about 745.0047420985.

Adding to 413501521 its reverse (125105314), we get a palindrome (538606835).

The spelling of 413501521 in words is "four hundred thirteen million, five hundred one thousand, five hundred twenty-one".