8247487 has 2 divisors, whose sum is σ = 8247488. Its totient is φ = 8247486.

The previous prime is 8247451. The next prime is 8247509. The reversal of 8247487 is 7847428.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8247487 - 2⁷ = 8247359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8247427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4123743 + 4123744.

It is an arithmetic number, because the mean of its divisors is an integer number (4123744).

Almost surely, 2^8247487 is an apocalyptic number.

8247487 is a deficient number, since it is larger than the sum of its proper divisors (1).

8247487 is an equidigital number, since it uses as much as digits as its factorization.

8247487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100352, while the sum is 40.

The square root of 8247487 is about 2871.8438328015. The cubic root of 8247487 is about 202.0414825109.

The spelling of 8247487 in words is "eight million, two hundred forty-seven thousand, four hundred eighty-seven".