86499541 has 2 divisors, whose sum is σ = 86499542. Its totient is φ = 86499540.

The previous prime is 86499509. The next prime is 86499559. The reversal of 86499541 is 14599468.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76195441 + 10304100 = 8729^2 + 3210^2 .

It is a cyclic number.

It is not a de Polignac number, because 86499541 - 2⁵ = 86499509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86499491 and 86499500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86499041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43249770 + 43249771.

It is an arithmetic number, because the mean of its divisors is an integer number (43249771).

Almost surely, 2^86499541 is an apocalyptic number.

It is an amenable number.

86499541 is a deficient number, since it is larger than the sum of its proper divisors (1).

86499541 is an equidigital number, since it uses as much as digits as its factorization.

86499541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 86499541 is about 9300.5129428435. The cubic root of 86499541 is about 442.2534888370.

The spelling of 86499541 in words is "eighty-six million, four hundred ninety-nine thousand, five hundred forty-one".