1005425225 has 24 divisors (see below), whose sum is σ = 1435116480. Its totient is φ = 684457920.

The previous prime is 1005425221. The next prime is 1005425227. The reversal of 1005425225 is 5225245001.

It is not a de Polignac number, because 1005425225 - 2² = 1005425221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1005425194 and 1005425203.

It is not an unprimeable number, because it can be changed into a prime (1005425221) 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 in 23 ways as a sum of consecutive naturals, for example, 3659 + ... + 44991.

It is an arithmetic number, because the mean of its divisors is an integer number (59796520).

Almost surely, 2^1005425225 is an apocalyptic number.

It is an amenable number.

1005425225 is a deficient number, since it is larger than the sum of its proper divisors (429691255).

1005425225 is a wasteful number, since it uses less digits than its factorization.

1005425225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41489 (or 41484 counting only the distinct ones).

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

The square root of 1005425225 is about 31708.4409108994. The cubic root of 1005425225 is about 1001.8051478140.

The spelling of 1005425225 in words is "one billion, five million, four hundred twenty-five thousand, two hundred twenty-five".