86493541 has 2 divisors, whose sum is σ = 86493542. Its totient is φ = 86493540.

The previous prime is 86493521. The next prime is 86493551. The reversal of 86493541 is 14539468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57062916 + 29430625 = 7554^2 + 5425^2 .

It is a cyclic number.

It is not a de Polignac number, because 86493541 - 2⁷ = 86493413 is a prime.

It is a super-2 number, since 2×86493541² = 14962265269437362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86493494 and 86493503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86493521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43246770 + 43246771.

It is an arithmetic number, because the mean of its divisors is an integer number (43246771).

Almost surely, 2^86493541 is an apocalyptic number.

It is an amenable number.

86493541 is a deficient number, since it is larger than the sum of its proper divisors (1).

86493541 is an equidigital number, since it uses as much as digits as its factorization.

86493541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 86493541 is about 9300.1903743956. The cubic root of 86493541 is about 442.2432630321.

The spelling of 86493541 in words is "eighty-six million, four hundred ninety-three thousand, five hundred forty-one".