4623569 has 2 divisors, whose sum is σ = 4623570. Its totient is φ = 4623568.

The previous prime is 4623559. The next prime is 4623581. The reversal of 4623569 is 9653264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4080400 + 543169 = 2020^2 + 737^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4623569 is a prime.

It is a super-2 number, since 2×4623569² = 42754780595522, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4¹⁰ + 6⁸ + 2¹⁷ + 3 + 5⁷ + 6⁸ + 9⁴ .

It is not a weakly prime, because it can be changed into another prime (4623539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2311784 + 2311785.

It is an arithmetic number, because the mean of its divisors is an integer number (2311785).

Almost surely, 2^4623569 is an apocalyptic number.

It is an amenable number.

4623569 is a deficient number, since it is larger than the sum of its proper divisors (1).

4623569 is an equidigital number, since it uses as much as digits as its factorization.

4623569 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 4623569 is about 2150.2485902797. The cubic root of 4623569 is about 166.5939073522.

The spelling of 4623569 in words is "four million, six hundred twenty-three thousand, five hundred sixty-nine".