8748581 has 2 divisors, whose sum is σ = 8748582. Its totient is φ = 8748580.

The previous prime is 8748563. The next prime is 8748583. The reversal of 8748581 is 1858478.

8748581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5597956 + 3150625 = 2366^2 + 1775^2 .

It is a cyclic number.

It is not a de Polignac number, because 8748581 - 2¹⁴ = 8732197 is a prime.

It is a super-2 number, since 2×8748581² = 153075339027122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 8748583, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8748583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4374290 + 4374291.

It is an arithmetic number, because the mean of its divisors is an integer number (4374291).

Almost surely, 2^8748581 is an apocalyptic number.

It is an amenable number.

8748581 is a deficient number, since it is larger than the sum of its proper divisors (1).

8748581 is an equidigital number, since it uses as much as digits as its factorization.

8748581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71680, while the sum is 41.

The square root of 8748581 is about 2957.8000270471. The cubic root of 8748581 is about 206.0531251428.

The spelling of 8748581 in words is "eight million, seven hundred forty-eight thousand, five hundred eighty-one".