425441329 has 2 divisors, whose sum is σ = 425441330. Its totient is φ = 425441328.

The previous prime is 425441273. The next prime is 425441333. The reversal of 425441329 is 923144524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392951329 + 32490000 = 19823^2 + 5700^2 .

It is a cyclic number.

It is not a de Polignac number, because 425441329 - 2¹⁷ = 425310257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425441294 and 425441303.

It is not a weakly prime, because it can be changed into another prime (425441399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212720664 + 212720665.

It is an arithmetic number, because the mean of its divisors is an integer number (212720665).

Almost surely, 2^425441329 is an apocalyptic number.

It is an amenable number.

425441329 is a deficient number, since it is larger than the sum of its proper divisors (1).

425441329 is an equidigital number, since it uses as much as digits as its factorization.

425441329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 425441329 is about 20626.2291512530. The cubic root of 425441329 is about 752.1074527918.

The spelling of 425441329 in words is "four hundred twenty-five million, four hundred forty-one thousand, three hundred twenty-nine".