513001232603 has 2 divisors, whose sum is σ = 513001232604. Its totient is φ = 513001232602.

The previous prime is 513001232537. The next prime is 513001232617. The reversal of 513001232603 is 306232100315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513001232603 - 2¹² = 513001228507 is a prime.

It is not a weakly prime, because it can be changed into another prime (513001282603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256500616301 + 256500616302.

It is an arithmetic number, because the mean of its divisors is an integer number (256500616302).

Almost surely, 2^513001232603 is an apocalyptic number.

513001232603 is a deficient number, since it is larger than the sum of its proper divisors (1).

513001232603 is an equidigital number, since it uses as much as digits as its factorization.

513001232603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 513001232603 its reverse (306232100315), we get a palindrome (819233332918).

It can be divided in two parts, 5130012 and 32603, that added together give a palindrome (5162615).

The spelling of 513001232603 in words is "five hundred thirteen billion, one million, two hundred thirty-two thousand, six hundred three".