83130613 has 2 divisors, whose sum is σ = 83130614. Its totient is φ = 83130612.

The previous prime is 83130581. The next prime is 83130631. The reversal of 83130613 is 31603138.

It is a happy number.

Together with next prime (83130631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48344209 + 34786404 = 6953^2 + 5898^2 .

It is a cyclic number.

It is not a de Polignac number, because 83130613 - 2⁵ = 83130581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83130683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41565306 + 41565307.

It is an arithmetic number, because the mean of its divisors is an integer number (41565307).

Almost surely, 2^83130613 is an apocalyptic number.

It is an amenable number.

83130613 is a deficient number, since it is larger than the sum of its proper divisors (1).

83130613 is an equidigital number, since it uses as much as digits as its factorization.

83130613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 83130613 is about 9117.5990808984. The cubic root of 83130613 is about 436.4357597313.

The spelling of 83130613 in words is "eighty-three million, one hundred thirty thousand, six hundred thirteen".