4263569 has 2 divisors, whose sum is σ = 4263570. Its totient is φ = 4263568.

The previous prime is 4263559. The next prime is 4263587. The reversal of 4263569 is 9653624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3385600 + 877969 = 1840^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 4263569 - 2⁸ = 4263313 is a prime.

It is a super-2 number, since 2×4263569² = 36356041235522, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁹ + 2²¹ + 6⁶ + 3¹¹ + 5³ + 6⁸ + 9³ .

It is not a weakly prime, because it can be changed into another prime (4263509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2131784 + 2131785.

It is an arithmetic number, because the mean of its divisors is an integer number (2131785).

Almost surely, 2^4263569 is an apocalyptic number.

It is an amenable number.

4263569 is a deficient number, since it is larger than the sum of its proper divisors (1).

4263569 is an equidigital number, since it uses as much as digits as its factorization.

4263569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 4263569 is about 2064.8411561183. The cubic root of 4263569 is about 162.1527923908.

The spelling of 4263569 in words is "four million, two hundred sixty-three thousand, five hundred sixty-nine".