513207283 has 2 divisors, whose sum is σ = 513207284. Its totient is φ = 513207282.

The previous prime is 513207281. The next prime is 513207307. The reversal of 513207283 is 382702315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513207283 - 2¹ = 513207281 is a prime.

Together with 513207281, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (513207281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256603641 + 256603642.

It is an arithmetic number, because the mean of its divisors is an integer number (256603642).

Almost surely, 2^513207283 is an apocalyptic number.

513207283 is a deficient number, since it is larger than the sum of its proper divisors (1).

513207283 is an equidigital number, since it uses as much as digits as its factorization.

513207283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 513207283 is about 22654.0787276817. The cubic root of 513207283 is about 800.6282996494.

Adding to 513207283 its reverse (382702315), we get a palindrome (895909598).

The spelling of 513207283 in words is "five hundred thirteen million, two hundred seven thousand, two hundred eighty-three".