513413333 has 4 divisors (see below), whose sum is σ = 513498060. Its totient is φ = 513328608.

The previous prime is 513413317. The next prime is 513413359. The reversal of 513413333 is 333314315.

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 196644529 + 316768804 = 14023^2 + 17798^2 .

It is a cyclic number.

It is not a de Polignac number, because 513413333 - 2⁴ = 513413317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513413233) 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, 32510 + ... + 45647.

It is an arithmetic number, because the mean of its divisors is an integer number (128374515).

Almost surely, 2^513413333 is an apocalyptic number.

It is an amenable number.

513413333 is a deficient number, since it is larger than the sum of its proper divisors (84727).

513413333 is an equidigital number, since it uses as much as digits as its factorization.

513413333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84726.

The product of its digits is 4860, while the sum is 26.

The square root of 513413333 is about 22658.6260174795. The cubic root of 513413333 is about 800.7354346502.

Adding to 513413333 its reverse (333314315), we get a palindrome (846727648).

The spelling of 513413333 in words is "five hundred thirteen million, four hundred thirteen thousand, three hundred thirty-three".