425305249 has 2 divisors, whose sum is σ = 425305250. Its totient is φ = 425305248.

The previous prime is 425305211. The next prime is 425305301. The reversal of 425305249 is 942503524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355699600 + 69605649 = 18860^2 + 8343^2 .

It is a cyclic number.

It is not a de Polignac number, because 425305249 - 2¹³ = 425297057 is a prime.

It is not a weakly prime, because it can be changed into another prime (425302249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212652624 + 212652625.

It is an arithmetic number, because the mean of its divisors is an integer number (212652625).

Almost surely, 2^425305249 is an apocalyptic number.

It is an amenable number.

425305249 is a deficient number, since it is larger than the sum of its proper divisors (1).

425305249 is an equidigital number, since it uses as much as digits as its factorization.

425305249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 425305249 is about 20622.9301749291. The cubic root of 425305249 is about 752.0272555243.

The spelling of 425305249 in words is "four hundred twenty-five million, three hundred five thousand, two hundred forty-nine".