827130613 has 2 divisors, whose sum is σ = 827130614. Its totient is φ = 827130612.

The previous prime is 827130593. The next prime is 827130641. The reversal of 827130613 is 316031728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 571066609 + 256064004 = 23897^2 + 16002^2 .

It is a cyclic number.

It is not a de Polignac number, because 827130613 - 2²⁵ = 793576181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827130673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413565306 + 413565307.

It is an arithmetic number, because the mean of its divisors is an integer number (413565307).

Almost surely, 2^827130613 is an apocalyptic number.

It is an amenable number.

827130613 is a deficient number, since it is larger than the sum of its proper divisors (1).

827130613 is an equidigital number, since it uses as much as digits as its factorization.

827130613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 827130613 is about 28759.8785289507. The cubic root of 827130613 is about 938.6954186550.

The spelling of 827130613 in words is "eight hundred twenty-seven million, one hundred thirty thousand, six hundred thirteen".