6286561 has 2 divisors, whose sum is σ = 6286562. Its totient is φ = 6286560.

The previous prime is 6286547. The next prime is 6286597. The reversal of 6286561 is 1656826.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6150400 + 136161 = 2480^2 + 369^2 .

It is a cyclic number.

It is not a de Polignac number, because 6286561 - 2⁷ = 6286433 is a prime.

It is not a weakly prime, because it can be changed into another prime (6286531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3143280 + 3143281.

It is an arithmetic number, because the mean of its divisors is an integer number (3143281).

Almost surely, 2^6286561 is an apocalyptic number.

It is an amenable number.

6286561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6286561 is an equidigital number, since it uses as much as digits as its factorization.

6286561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 6286561 is about 2507.3015375100. The cubic root of 6286561 is about 184.5600551653.

It can be divided in two parts, 62865 and 61, that added together give a palindrome (62926).

The spelling of 6286561 in words is "six million, two hundred eighty-six thousand, five hundred sixty-one".