86245417 has 2 divisors, whose sum is σ = 86245418. Its totient is φ = 86245416.

The previous prime is 86245381. The next prime is 86245447. The reversal of 86245417 is 71454268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85451536 + 793881 = 9244^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 86245417 - 2²³ = 77856809 is a prime.

It is not a weakly prime, because it can be changed into another prime (86245447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43122708 + 43122709.

It is an arithmetic number, because the mean of its divisors is an integer number (43122709).

Almost surely, 2^86245417 is an apocalyptic number.

It is an amenable number.

86245417 is a deficient number, since it is larger than the sum of its proper divisors (1).

86245417 is an equidigital number, since it uses as much as digits as its factorization.

86245417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 37.

The square root of 86245417 is about 9286.8410667998. The cubic root of 86245417 is about 441.8199702935.

It can be divided in two parts, 8624 and 5417, that added together give a palindrome (14041).

The spelling of 86245417 in words is "eighty-six million, two hundred forty-five thousand, four hundred seventeen".