6337561 has 2 divisors, whose sum is σ = 6337562. Its totient is φ = 6337560.

The previous prime is 6337543. The next prime is 6337579. The reversal of 6337561 is 1657336.

It is a balanced prime because it is at equal distance from previous prime (6337543) and next prime (6337579).

It can be written as a sum of positive squares in only one way, i.e., 5784025 + 553536 = 2405^2 + 744^2 .

It is a cyclic number.

It is not a de Polignac number, because 6337561 - 2⁹ = 6337049 is a prime.

6337561 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6337861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3168780 + 3168781.

It is an arithmetic number, because the mean of its divisors is an integer number (3168781).

Almost surely, 2^6337561 is an apocalyptic number.

It is an amenable number.

6337561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6337561 is an equidigital number, since it uses as much as digits as its factorization.

6337561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 31.

The square root of 6337561 is about 2517.4512904920. The cubic root of 6337561 is about 185.0577954315.

It can be divided in two parts, 63375 and 61, that added together give a palindrome (63436).

The spelling of 6337561 in words is "six million, three hundred thirty-seven thousand, five hundred sixty-one".