6501487 has 2 divisors, whose sum is σ = 6501488. Its totient is φ = 6501486.

The previous prime is 6501431. The next prime is 6501491. The reversal of 6501487 is 7841056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6501487 - 2¹¹ = 6499439 is a prime.

It is a super-2 number, since 2×6501487² = 84538666422338, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6501587) 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, 3250743 + 3250744.

It is an arithmetic number, because the mean of its divisors is an integer number (3250744).

Almost surely, 2^6501487 is an apocalyptic number.

6501487 is a deficient number, since it is larger than the sum of its proper divisors (1).

6501487 is an equidigital number, since it uses as much as digits as its factorization.

6501487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 6501487 is about 2549.8013648126. The cubic root of 6501487 is about 186.6397881509.

The spelling of 6501487 in words is "six million, five hundred one thousand, four hundred eighty-seven".