1513706241 has 4 divisors (see below), whose sum is σ = 2018274992. Its totient is φ = 1009137492.

The previous prime is 1513706213. The next prime is 1513706267. The reversal of 1513706241 is 1426073151.

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: 1426073151 = 3 ⋅475357717.

It is not a de Polignac number, because 1513706241 - 2⁷ = 1513706113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1513706199 and 1513706208.

It is not an unprimeable number, because it can be changed into a prime (1513706641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252284371 + ... + 252284376.

It is an arithmetic number, because the mean of its divisors is an integer number (504568748).

Almost surely, 2^1513706241 is an apocalyptic number.

It is an amenable number.

1513706241 is a deficient number, since it is larger than the sum of its proper divisors (504568751).

1513706241 is an equidigital number, since it uses as much as digits as its factorization.

1513706241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504568750.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1513706241 is about 38906.3778961753. The cubic root of 1513706241 is about 1148.1902830287.

Adding to 1513706241 its reverse (1426073151), we get a palindrome (2939779392).

The spelling of 1513706241 in words is "one billion, five hundred thirteen million, seven hundred six thousand, two hundred forty-one".