513384241 has 4 divisors (see below), whose sum is σ = 543583332. Its totient is φ = 483185152.

The previous prime is 513384229. The next prime is 513384257. The reversal of 513384241 is 142483315.

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 345811216 + 167573025 = 18596^2 + 12945^2 .

It is not a de Polignac number, because 513384241 - 2⁹ = 513383729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513384271) 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, 15099520 + ... + 15099553.

It is an arithmetic number, because the mean of its divisors is an integer number (135895833).

Almost surely, 2^513384241 is an apocalyptic number.

It is an amenable number.

513384241 is a deficient number, since it is larger than the sum of its proper divisors (30199091).

513384241 is a wasteful number, since it uses less digits than its factorization.

513384241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30199090.

The product of its digits is 11520, while the sum is 31.

The square root of 513384241 is about 22657.9840453647. The cubic root of 513384241 is about 800.7203101012.

The spelling of 513384241 in words is "five hundred thirteen million, three hundred eighty-four thousand, two hundred forty-one".