513040103 has 2 divisors, whose sum is σ = 513040104. Its totient is φ = 513040102.

The previous prime is 513040097. The next prime is 513040133. The reversal of 513040103 is 301040315.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513040103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513040133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256520051 + 256520052.

It is an arithmetic number, because the mean of its divisors is an integer number (256520052).

Almost surely, 2^513040103 is an apocalyptic number.

513040103 is a deficient number, since it is larger than the sum of its proper divisors (1).

513040103 is an equidigital number, since it uses as much as digits as its factorization.

513040103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 513040103 is about 22650.3885838632. The cubic root of 513040103 is about 800.5413538998.

Adding to 513040103 its reverse (301040315), we get a palindrome (814080418).

The spelling of 513040103 in words is "five hundred thirteen million, forty thousand, one hundred three".