8574649 has 2 divisors, whose sum is σ = 8574650. Its totient is φ = 8574648.

The previous prime is 8574623. The next prime is 8574661. The reversal of 8574649 is 9464758.

8574649 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., 6150400 + 2424249 = 2480^2 + 1557^2 .

It is a cyclic number.

It is not a de Polignac number, because 8574649 - 2⁷ = 8574521 is a prime.

It is not a weakly prime, because it can be changed into another prime (8574679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4287324 + 4287325.

It is an arithmetic number, because the mean of its divisors is an integer number (4287325).

Almost surely, 2^8574649 is an apocalyptic number.

It is an amenable number.

8574649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8574649 is an equidigital number, since it uses as much as digits as its factorization.

8574649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 8574649 is about 2928.2501600785. The cubic root of 8574649 is about 204.6784489015.

The spelling of 8574649 in words is "eight million, five hundred seventy-four thousand, six hundred forty-nine".