4142569 has 2 divisors, whose sum is σ = 4142570. Its totient is φ = 4142568.

The previous prime is 4142521. The next prime is 4142573. The reversal of 4142569 is 9652414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3168400 + 974169 = 1780^2 + 987^2 .

It is a cyclic number.

It is not a de Polignac number, because 4142569 - 2¹⁹ = 3618281 is a prime.

It is a super-2 number, since 2×4142569² = 34321755839522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4142569.

It is not a weakly prime, because it can be changed into another prime (4142519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071284 + 2071285.

It is an arithmetic number, because the mean of its divisors is an integer number (2071285).

Almost surely, 2^4142569 is an apocalyptic number.

It is an amenable number.

4142569 is a deficient number, since it is larger than the sum of its proper divisors (1).

4142569 is an equidigital number, since it uses as much as digits as its factorization.

4142569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 4142569 is about 2035.3301943419. The cubic root of 4142569 is about 160.6040835861.

The spelling of 4142569 in words is "four million, one hundred forty-two thousand, five hundred sixty-nine".