425434411 has 2 divisors, whose sum is σ = 425434412. Its totient is φ = 425434410.

The previous prime is 425434403. The next prime is 425434423. The reversal of 425434411 is 114434524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425434411 - 2³ = 425434403 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425434411.

It is not a weakly prime, because it can be changed into another prime (425434441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212717205 + 212717206.

It is an arithmetic number, because the mean of its divisors is an integer number (212717206).

Almost surely, 2^425434411 is an apocalyptic number.

425434411 is a deficient number, since it is larger than the sum of its proper divisors (1).

425434411 is an equidigital number, since it uses as much as digits as its factorization.

425434411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 28.

The square root of 425434411 is about 20626.0614514744. The cubic root of 425434411 is about 752.1033761564.

Adding to 425434411 its reverse (114434524), we get a palindrome (539868935).

The spelling of 425434411 in words is "four hundred twenty-five million, four hundred thirty-four thousand, four hundred eleven".