86245129 has 2 divisors, whose sum is σ = 86245130. Its totient is φ = 86245128.

The previous prime is 86245121. The next prime is 86245153. The reversal of 86245129 is 92154268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81631225 + 4613904 = 9035^2 + 2148^2 .

It is a cyclic number.

It is not a de Polignac number, because 86245129 - 2³ = 86245121 is a prime.

It is not a weakly prime, because it can be changed into another prime (86245121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43122564 + 43122565.

It is an arithmetic number, because the mean of its divisors is an integer number (43122565).

Almost surely, 2^86245129 is an apocalyptic number.

It is an amenable number.

86245129 is a deficient number, since it is larger than the sum of its proper divisors (1).

86245129 is an equidigital number, since it uses as much as digits as its factorization.

86245129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 86245129 is about 9286.8255609762. The cubic root of 86245129 is about 441.8194785020.

The spelling of 86245129 in words is "eighty-six million, two hundred forty-five thousand, one hundred twenty-nine".