424353953 has 2 divisors, whose sum is σ = 424353954. Its totient is φ = 424353952.

The previous prime is 424353911. The next prime is 424353959. The reversal of 424353953 is 359353424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418939024 + 5414929 = 20468^2 + 2327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424353953 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (424353959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212176976 + 212176977.

It is an arithmetic number, because the mean of its divisors is an integer number (212176977).

Almost surely, 2^424353953 is an apocalyptic number.

It is an amenable number.

424353953 is a deficient number, since it is larger than the sum of its proper divisors (1).

424353953 is an equidigital number, since it uses as much as digits as its factorization.

424353953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 38.

The square root of 424353953 is about 20599.8532276325. The cubic root of 424353953 is about 751.4661412241.

The spelling of 424353953 in words is "four hundred twenty-four million, three hundred fifty-three thousand, nine hundred fifty-three".