1000506613 has 2 divisors, whose sum is σ = 1000506614. Its totient is φ = 1000506612.

The previous prime is 1000506581. The next prime is 1000506643. The reversal of 1000506613 is 3166050001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 938380689 + 62125924 = 30633^2 + 7882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000506613 - 2⁵ = 1000506581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000506643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500253306 + 500253307.

It is an arithmetic number, because the mean of its divisors is an integer number (500253307).

Almost surely, 2^1000506613 is an apocalyptic number.

It is an amenable number.

1000506613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000506613 is an equidigital number, since it uses as much as digits as its factorization.

1000506613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1000506613 is about 31630.7858422771. The cubic root of 1000506613 is about 1000.1688424906.

Adding to 1000506613 its reverse (3166050001), we get a palindrome (4166556614).

The spelling of 1000506613 in words is "one billion, five hundred six thousand, six hundred thirteen".