513225263 has 2 divisors, whose sum is σ = 513225264. Its totient is φ = 513225262.

The previous prime is 513225227. The next prime is 513225313. The reversal of 513225263 is 362522315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513225263 - 2⁶ = 513225199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513225203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256612631 + 256612632.

It is an arithmetic number, because the mean of its divisors is an integer number (256612632).

Almost surely, 2^513225263 is an apocalyptic number.

513225263 is a deficient number, since it is larger than the sum of its proper divisors (1).

513225263 is an equidigital number, since it uses as much as digits as its factorization.

513225263 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 513225263 is about 22654.4755622371. The cubic root of 513225263 is about 800.6376494315.

Adding to 513225263 its reverse (362522315), we get a palindrome (875747578).

It can be divided in two parts, 5132252 and 63, that added together give a palindrome (5132315).

The spelling of 513225263 in words is "five hundred thirteen million, two hundred twenty-five thousand, two hundred sixty-three".