8458081 has 2 divisors, whose sum is σ = 8458082. Its totient is φ = 8458080.

The previous prime is 8458069. The next prime is 8458091. The reversal of 8458081 is 1808548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8317456 + 140625 = 2884^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 8458081 - 2¹¹ = 8456033 is a prime.

It is a super-2 number, since 2×8458081² = 143078268405122, which contains 22 as substring.

8458081 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8458001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4229040 + 4229041.

It is an arithmetic number, because the mean of its divisors is an integer number (4229041).

Almost surely, 2^8458081 is an apocalyptic number.

It is an amenable number.

8458081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8458081 is an equidigital number, since it uses as much as digits as its factorization.

8458081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 8458081 is about 2908.2780128454. The cubic root of 8458081 is about 203.7467140374.

The spelling of 8458081 in words is "eight million, four hundred fifty-eight thousand, eighty-one".