6547459 has 2 divisors, whose sum is σ = 6547460. Its totient is φ = 6547458.

The previous prime is 6547447. The next prime is 6547469. The reversal of 6547459 is 9547456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6547459 - 2⁵ = 6547427 is a prime.

It is equal to p₄₄₇₇₉₉ and since 6547459 and 447799 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (6547469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3273729 + 3273730.

It is an arithmetic number, because the mean of its divisors is an integer number (3273730).

Almost surely, 2^6547459 is an apocalyptic number.

6547459 is a deficient number, since it is larger than the sum of its proper divisors (1).

6547459 is an equidigital number, since it uses as much as digits as its factorization.

6547459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 6547459 is about 2558.8003048304. The cubic root of 6547459 is about 187.0786651789.

It can be divided in two parts, 65 and 47459, that added together give a square (47524 = 218²).

The spelling of 6547459 in words is "six million, five hundred forty-seven thousand, four hundred fifty-nine".