8529649 has 2 divisors, whose sum is σ = 8529650. Its totient is φ = 8529648.

The previous prime is 8529643. The next prime is 8529659. The reversal of 8529649 is 9469258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 3249 = 2920^2 + 57^2 .

It is a cyclic number.

It is not a de Polignac number, because 8529649 - 2³ = 8529641 is a prime.

It is not a weakly prime, because it can be changed into another prime (8529641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4264824 + 4264825.

It is an arithmetic number, because the mean of its divisors is an integer number (4264825).

Almost surely, 2^8529649 is an apocalyptic number.

It is an amenable number.

8529649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8529649 is an equidigital number, since it uses as much as digits as its factorization.

8529649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 8529649 is about 2920.5562826284. The cubic root of 8529649 is about 204.3197679527.

It can be divided in two parts, 852 and 9649, that added together give a palindrome (10501).

The spelling of 8529649 in words is "eight million, five hundred twenty-nine thousand, six hundred forty-nine".