8986531 has 2 divisors, whose sum is σ = 8986532. Its totient is φ = 8986530.

The previous prime is 8986513. The next prime is 8986547. The reversal of 8986531 is 1356898.

It is a happy number.

8986531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (8986513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8986531 - 2⁵ = 8986499 is a prime.

It is a super-2 number, since 2×8986531² = 161515478827922, which contains 22 as substring.

It is a Chen prime.

8986531 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8986511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4493265 + 4493266.

It is an arithmetic number, because the mean of its divisors is an integer number (4493266).

Almost surely, 2^8986531 is an apocalyptic number.

8986531 is a deficient number, since it is larger than the sum of its proper divisors (1).

8986531 is an equidigital number, since it uses as much as digits as its factorization.

8986531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The square root of 8986531 is about 2997.7543261582. The cubic root of 8986531 is about 207.9045651319.

The spelling of 8986531 in words is "eight million, nine hundred eighty-six thousand, five hundred thirty-one".