424134433 has 2 divisors, whose sum is σ = 424134434. Its totient is φ = 424134432.

The previous prime is 424134353. The next prime is 424134443. The reversal of 424134433 is 334431424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414041104 + 10093329 = 20348^2 + 3177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424134433 is a prime.

It is not a weakly prime, because it can be changed into another prime (424134443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212067216 + 212067217.

It is an arithmetic number, because the mean of its divisors is an integer number (212067217).

Almost surely, 2^424134433 is an apocalyptic number.

It is an amenable number.

424134433 is a deficient number, since it is larger than the sum of its proper divisors (1).

424134433 is an equidigital number, since it uses as much as digits as its factorization.

424134433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 28.

The square root of 424134433 is about 20594.5243450777. The cubic root of 424134433 is about 751.3365400587.

Adding to 424134433 its reverse (334431424), we get a palindrome (758565857).

The spelling of 424134433 in words is "four hundred twenty-four million, one hundred thirty-four thousand, four hundred thirty-three".