613604503 has 2 divisors, whose sum is σ = 613604504. Its totient is φ = 613604502.

The previous prime is 613604489. The next prime is 613604527. The reversal of 613604503 is 305406316.

613604503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 613604503 - 2²⁵ = 580050071 is a prime.

It is a super-2 number, since 2×613604503² = 753020972203754018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613604203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306802251 + 306802252.

It is an arithmetic number, because the mean of its divisors is an integer number (306802252).

Almost surely, 2^613604503 is an apocalyptic number.

613604503 is a deficient number, since it is larger than the sum of its proper divisors (1).

613604503 is an equidigital number, since it uses as much as digits as its factorization.

613604503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 613604503 is about 24771.0416212157. The cubic root of 613604503 is about 849.7597951017.

The spelling of 613604503 in words is "six hundred thirteen million, six hundred four thousand, five hundred three".