86203613 has 2 divisors, whose sum is σ = 86203614. Its totient is φ = 86203612.

The previous prime is 86203597. The next prime is 86203619. The reversal of 86203613 is 31630268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57183844 + 29019769 = 7562^2 + 5387^2 .

It is a cyclic number.

It is not a de Polignac number, because 86203613 - 2⁴ = 86203597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86203619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43101806 + 43101807.

It is an arithmetic number, because the mean of its divisors is an integer number (43101807).

Almost surely, 2^86203613 is an apocalyptic number.

It is an amenable number.

86203613 is a deficient number, since it is larger than the sum of its proper divisors (1).

86203613 is an equidigital number, since it uses as much as digits as its factorization.

86203613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 86203613 is about 9284.5900824969. The cubic root of 86203613 is about 441.7485739316.

The spelling of 86203613 in words is "eighty-six million, two hundred three thousand, six hundred thirteen".