86020513 has 2 divisors, whose sum is σ = 86020514. Its totient is φ = 86020512.

The previous prime is 86020507. The next prime is 86020559. The reversal of 86020513 is 31502068.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63808144 + 22212369 = 7988^2 + 4713^2 .

It is a cyclic number.

It is not a de Polignac number, because 86020513 - 2²⁵ = 52466081 is a prime.

It is not a weakly prime, because it can be changed into another prime (86020813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43010256 + 43010257.

It is an arithmetic number, because the mean of its divisors is an integer number (43010257).

Almost surely, 2^86020513 is an apocalyptic number.

It is an amenable number.

86020513 is a deficient number, since it is larger than the sum of its proper divisors (1).

86020513 is an equidigital number, since it uses as much as digits as its factorization.

86020513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 86020513 is about 9274.7244163910. The cubic root of 86020513 is about 441.4355882154.

The spelling of 86020513 in words is "eighty-six million, twenty thousand, five hundred thirteen".