86519593 has 2 divisors, whose sum is σ = 86519594. Its totient is φ = 86519592.

The previous prime is 86519567. The next prime is 86519599. The reversal of 86519593 is 39591568.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62283664 + 24235929 = 7892^2 + 4923^2 .

It is a cyclic number.

It is not a de Polignac number, because 86519593 - 2⁵ = 86519561 is a prime.

It is not a weakly prime, because it can be changed into another prime (86519599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43259796 + 43259797.

It is an arithmetic number, because the mean of its divisors is an integer number (43259797).

Almost surely, 2^86519593 is an apocalyptic number.

It is an amenable number.

86519593 is a deficient number, since it is larger than the sum of its proper divisors (1).

86519593 is an equidigital number, since it uses as much as digits as its factorization.

86519593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 46.

The square root of 86519593 is about 9301.5908854346. The cubic root of 86519593 is about 442.2876600465.

The spelling of 86519593 in words is "eighty-six million, five hundred nineteen thousand, five hundred ninety-three".