86653031 has 2 divisors, whose sum is σ = 86653032. Its totient is φ = 86653030.

The previous prime is 86653027. The next prime is 86653037. The reversal of 86653031 is 13035668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86653031 - 2² = 86653027 is a prime.

It is a super-2 number, since 2×86653031² = 15017495562973922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86653037) 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, 43326515 + 43326516.

It is an arithmetic number, because the mean of its divisors is an integer number (43326516).

Almost surely, 2^86653031 is an apocalyptic number.

86653031 is a deficient number, since it is larger than the sum of its proper divisors (1).

86653031 is an equidigital number, since it uses as much as digits as its factorization.

86653031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 86653031 is about 9308.7609809254. The cubic root of 86653031 is about 442.5149213477.

Adding to 86653031 its reverse (13035668), we get a palindrome (99688699).

The spelling of 86653031 in words is "eighty-six million, six hundred fifty-three thousand, thirty-one".