513011003 has 2 divisors, whose sum is σ = 513011004. Its totient is φ = 513011002.

The previous prime is 513010999. The next prime is 513011011. The reversal of 513011003 is 300110315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513011003 - 2² = 513010999 is a prime.

It is not a weakly prime, because it can be changed into another prime (513031003) 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, 256505501 + 256505502.

It is an arithmetic number, because the mean of its divisors is an integer number (256505502).

Almost surely, 2^513011003 is an apocalyptic number.

513011003 is a deficient number, since it is larger than the sum of its proper divisors (1).

513011003 is an equidigital number, since it uses as much as digits as its factorization.

513011003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 513011003 is about 22649.7462016686. The cubic root of 513011003 is about 800.5262178551.

Adding to 513011003 its reverse (300110315), we get a palindrome (813121318).

The spelling of 513011003 in words is "five hundred thirteen million, eleven thousand, three".