513052327 has 4 divisors (see below), whose sum is σ = 513605520. Its totient is φ = 512499136.

The previous prime is 513052297. The next prime is 513052343. The reversal of 513052327 is 723250315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513052327 is a prime.

It is a super-2 number, since 2×513052327² = 526445380480229858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513052295 and 513052304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513052357) 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, 275203 + ... + 277060.

It is an arithmetic number, because the mean of its divisors is an integer number (128401380).

Almost surely, 2^513052327 is an apocalyptic number.

513052327 is a deficient number, since it is larger than the sum of its proper divisors (553193).

513052327 is an equidigital number, since it uses as much as digits as its factorization.

513052327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553192.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 513052327 is about 22650.6584231011. The cubic root of 513052327 is about 800.5477119082.

The spelling of 513052327 in words is "five hundred thirteen million, fifty-two thousand, three hundred twenty-seven".