4140569 has 2 divisors, whose sum is σ = 4140570. Its totient is φ = 4140568.

The previous prime is 4140557. The next prime is 4140589. The reversal of 4140569 is 9650414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3667225 + 473344 = 1915^2 + 688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4140569 is a prime.

It is a super-2 number, since 2×4140569² = 34288623287522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4140589) 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, 2070284 + 2070285.

It is an arithmetic number, because the mean of its divisors is an integer number (2070285).

Almost surely, 2^4140569 is an apocalyptic number.

It is an amenable number.

4140569 is a deficient number, since it is larger than the sum of its proper divisors (1).

4140569 is an equidigital number, since it uses as much as digits as its factorization.

4140569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4140569 is about 2034.8388142553. The cubic root of 4140569 is about 160.5782332926.

The spelling of 4140569 in words is "four million, one hundred forty thousand, five hundred sixty-nine".