8461247 has 2 divisors, whose sum is σ = 8461248. Its totient is φ = 8461246.

The previous prime is 8461241. The next prime is 8461267. The reversal of 8461247 is 7421648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8461247 - 2⁴ = 8461231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8461241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230623 + 4230624.

It is an arithmetic number, because the mean of its divisors is an integer number (4230624).

Almost surely, 2^8461247 is an apocalyptic number.

8461247 is a deficient number, since it is larger than the sum of its proper divisors (1).

8461247 is an equidigital number, since it uses as much as digits as its factorization.

8461247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 32.

The square root of 8461247 is about 2908.8222702668. The cubic root of 8461247 is about 203.7721327908.

The spelling of 8461247 in words is "eight million, four hundred sixty-one thousand, two hundred forty-seven".