86530651 has 2 divisors, whose sum is σ = 86530652. Its totient is φ = 86530650.

The previous prime is 86530649. The next prime is 86530673. The reversal of 86530651 is 15603568.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86530651 - 2¹ = 86530649 is a prime.

Together with 86530649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86530681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43265325 + 43265326.

It is an arithmetic number, because the mean of its divisors is an integer number (43265326).

Almost surely, 2^86530651 is an apocalyptic number.

86530651 is a deficient number, since it is larger than the sum of its proper divisors (1).

86530651 is an equidigital number, since it uses as much as digits as its factorization.

86530651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 86530651 is about 9302.1852808896. The cubic root of 86530651 is about 442.3065020545.

The spelling of 86530651 in words is "eighty-six million, five hundred thirty thousand, six hundred fifty-one".