1005225425 has 12 divisors (see below), whose sum is σ = 1273001856. Its totient is φ = 787069200.

The previous prime is 1005225407. The next prime is 1005225443. The reversal of 1005225425 is 5245225001.

It is an interprime number because it is at equal distance from previous prime (1005225407) and next prime (1005225443).

It is not a de Polignac number, because 1005225425 - 2¹⁶ = 1005159889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1005225394 and 1005225403.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 426581 + ... + 428930.

It is an arithmetic number, because the mean of its divisors is an integer number (106083488).

Almost surely, 2^1005225425 is an apocalyptic number.

It is an amenable number.

1005225425 is a deficient number, since it is larger than the sum of its proper divisors (267776431).

1005225425 is an equidigital number, since it uses as much as digits as its factorization.

1005225425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855568 (or 855563 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1005225425 is about 31705.2901737234. The cubic root of 1005225425 is about 1001.7387832139.

The spelling of 1005225425 in words is "one billion, five million, two hundred twenty-five thousand, four hundred twenty-five".