85386241 has 2 divisors, whose sum is σ = 85386242. Its totient is φ = 85386240.

The previous prime is 85386229. The next prime is 85386251. The reversal of 85386241 is 14268358.

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., 72318016 + 13068225 = 8504^2 + 3615^2 .

It is a cyclic number.

It is not a de Polignac number, because 85386241 - 2⁷ = 85386113 is a prime.

It is a super-2 number, since 2×85386241² = 14581620304220162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85386241.

It is not a weakly prime, because it can be changed into another prime (85386211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42693120 + 42693121.

It is an arithmetic number, because the mean of its divisors is an integer number (42693121).

Almost surely, 2^85386241 is an apocalyptic number.

It is an amenable number.

85386241 is a deficient number, since it is larger than the sum of its proper divisors (1).

85386241 is an equidigital number, since it uses as much as digits as its factorization.

85386241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 85386241 is about 9240.4675747497. The cubic root of 85386241 is about 440.3479358807.

The spelling of 85386241 in words is "eighty-five million, three hundred eighty-six thousand, two hundred forty-one".