513606103 has 2 divisors, whose sum is σ = 513606104. Its totient is φ = 513606102.

The previous prime is 513606073. The next prime is 513606113. The reversal of 513606103 is 301606315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513606103 - 2¹⁷ = 513475031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513606113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256803051 + 256803052.

It is an arithmetic number, because the mean of its divisors is an integer number (256803052).

Almost surely, 2^513606103 is an apocalyptic number.

513606103 is a deficient number, since it is larger than the sum of its proper divisors (1).

513606103 is an equidigital number, since it uses as much as digits as its factorization.

513606103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 513606103 is about 22662.8794066420. The cubic root of 513606103 is about 800.8356388100.

The spelling of 513606103 in words is "five hundred thirteen million, six hundred six thousand, one hundred three".