513424603 has 2 divisors, whose sum is σ = 513424604. Its totient is φ = 513424602.

The previous prime is 513424579. The next prime is 513424609. The reversal of 513424603 is 306424315.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513424603 is a prime.

It is not a weakly prime, because it can be changed into another prime (513424609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256712301 + 256712302.

It is an arithmetic number, because the mean of its divisors is an integer number (256712302).

Almost surely, 2^513424603 is an apocalyptic number.

513424603 is a deficient number, since it is larger than the sum of its proper divisors (1).

513424603 is an equidigital number, since it uses as much as digits as its factorization.

513424603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 513424603 is about 22658.8747072753. The cubic root of 513424603 is about 800.7412936217.

Adding to 513424603 its reverse (306424315), we get a palindrome (819848918).

It can be divided in two parts, 51342 and 4603, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 513424603 in words is "five hundred thirteen million, four hundred twenty-four thousand, six hundred three".