513479663 has 2 divisors, whose sum is σ = 513479664. Its totient is φ = 513479662.

The previous prime is 513479627. The next prime is 513479671. The reversal of 513479663 is 366974315.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513479663 - 2¹⁰ = 513478639 is a prime.

It is a super-2 number, since 2×513479663² = 527322728629187138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513479063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256739831 + 256739832.

It is an arithmetic number, because the mean of its divisors is an integer number (256739832).

Almost surely, 2^513479663 is an apocalyptic number.

513479663 is a deficient number, since it is larger than the sum of its proper divisors (1).

513479663 is an equidigital number, since it uses as much as digits as its factorization.

513479663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 44.

The square root of 513479663 is about 22660.0896511907. The cubic root of 513479663 is about 800.7699166103.

The spelling of 513479663 in words is "five hundred thirteen million, four hundred seventy-nine thousand, six hundred sixty-three".