424769 has 2 divisors, whose sum is σ = 424770. Its totient is φ = 424768.

The previous prime is 424757. The next prime is 424771. The reversal of 424769 is 967424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255025 + 169744 = 505^2 + 412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424769 is a prime.

It is a super-2 number, since 2×424769² = 360857406722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 424771, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (424709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212384 + 212385.

It is an arithmetic number, because the mean of its divisors is an integer number (212385).

2⁴²⁴⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

424769 is a deficient number, since it is larger than the sum of its proper divisors (1).

424769 is an equidigital number, since it uses as much as digits as its factorization.

424769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 424769 is about 651.7430475272. The cubic root of 424769 is about 75.1711056376.

The spelling of 424769 in words is "four hundred twenty-four thousand, seven hundred sixty-nine".