1413260521 has 4 divisors (see below), whose sum is σ = 1416139344. Its totient is φ = 1410381700.

The previous prime is 1413260503. The next prime is 1413260533. The reversal of 1413260521 is 1250623141.

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.

It is a cyclic number.

It is not a de Polignac number, because 1413260521 - 2¹⁷ = 1413129449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1413264521) 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, 1438675 + ... + 1439656.

It is an arithmetic number, because the mean of its divisors is an integer number (354034836).

Almost surely, 2^1413260521 is an apocalyptic number.

It is an amenable number.

1413260521 is a deficient number, since it is larger than the sum of its proper divisors (2878823).

1413260521 is an equidigital number, since it uses as much as digits as its factorization.

1413260521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878822.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1413260521 is about 37593.3574052651. The cubic root of 1413260521 is about 1122.2098485019.

Adding to 1413260521 its reverse (1250623141), we get a palindrome (2663883662).

The spelling of 1413260521 in words is "one billion, four hundred thirteen million, two hundred sixty thousand, five hundred twenty-one".