513314453 has 2 divisors, whose sum is σ = 513314454. Its totient is φ = 513314452.

The previous prime is 513314449. The next prime is 513314479. The reversal of 513314453 is 354413315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412171204 + 101143249 = 20302^2 + 10057^2 .

It is a cyclic number.

It is not a de Polignac number, because 513314453 - 2² = 513314449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513344453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256657226 + 256657227.

It is an arithmetic number, because the mean of its divisors is an integer number (256657227).

Almost surely, 2^513314453 is an apocalyptic number.

It is an amenable number.

513314453 is a deficient number, since it is larger than the sum of its proper divisors (1).

513314453 is an equidigital number, since it uses as much as digits as its factorization.

513314453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 513314453 is about 22656.4439619284. The cubic root of 513314453 is about 800.6840259065.

Adding to 513314453 its reverse (354413315), we get a palindrome (867727768).

The spelling of 513314453 in words is "five hundred thirteen million, three hundred fourteen thousand, four hundred fifty-three".