1413230521 has 4 divisors (see below), whose sum is σ = 1415680372. Its totient is φ = 1410780672.

The previous prime is 1413230509. The next prime is 1413230527. The reversal of 1413230521 is 1250323141.

It is a happy number.

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 1062042921 + 351187600 = 32589^2 + 18740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1413230521 - 2²¹ = 1411133369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1413230492 and 1413230501.

It is not an unprimeable number, because it can be changed into a prime (1413230527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224060 + ... + 1225213.

It is an arithmetic number, because the mean of its divisors is an integer number (353920093).

Almost surely, 2^1413230521 is an apocalyptic number.

It is an amenable number.

1413230521 is a deficient number, since it is larger than the sum of its proper divisors (2449851).

1413230521 is an equidigital number, since it uses as much as digits as its factorization.

1413230521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449850.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1413230521 is about 37592.9583964870. The cubic root of 1413230521 is about 1122.2019078726.

Adding to 1413230521 its reverse (1250323141), we get a palindrome (2663553662).

The spelling of 1413230521 in words is "one billion, four hundred thirteen million, two hundred thirty thousand, five hundred twenty-one".