6140569 has 2 divisors, whose sum is σ = 6140570. Its totient is φ = 6140568.

The previous prime is 6140567. The next prime is 6140579. The reversal of 6140569 is 9650416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3564544 + 2576025 = 1888^2 + 1605^2 .

It is a cyclic number.

It is not a de Polignac number, because 6140569 - 2¹ = 6140567 is a prime.

It is a super-2 number, since 2×6140569² = 75413175287522, which contains 22 as substring.

Together with 6140567, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6140569.

It is not a weakly prime, because it can be changed into another prime (6140567) 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, 3070284 + 3070285.

It is an arithmetic number, because the mean of its divisors is an integer number (3070285).

Almost surely, 2^6140569 is an apocalyptic number.

It is an amenable number.

6140569 is a deficient number, since it is larger than the sum of its proper divisors (1).

6140569 is an equidigital number, since it uses as much as digits as its factorization.

6140569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 6140569 is about 2478.0171508688. The cubic root of 6140569 is about 183.1201794520.

The spelling of 6140569 in words is "six million, one hundred forty thousand, five hundred sixty-nine".