8248561 has 4 divisors (see below), whose sum is σ = 8440432. Its totient is φ = 8056692.

The previous prime is 8248543. The next prime is 8248577. The reversal of 8248561 is 1658428.

8248561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8248561 - 2⁹ = 8248049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8248501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95871 + ... + 95956.

It is an arithmetic number, because the mean of its divisors is an integer number (2110108).

Almost surely, 2^8248561 is an apocalyptic number.

It is an amenable number.

8248561 is a deficient number, since it is larger than the sum of its proper divisors (191871).

8248561 is a wasteful number, since it uses less digits than its factorization.

8248561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191870.

The product of its digits is 15360, while the sum is 34.

The square root of 8248561 is about 2872.0308145979. The cubic root of 8248561 is about 202.0502521775.

The spelling of 8248561 in words is "eight million, two hundred forty-eight thousand, five hundred sixty-one".