1004025245 has 8 divisors (see below), whose sum is σ = 1207615416. Its totient is φ = 801363456.

The previous prime is 1004025199. The next prime is 1004025263. The reversal of 1004025245 is 5425204001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6160324 + 997864921 = 2482^2 + 31589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1004025245 - 2⁶ = 1004025181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1004025245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229712 + ... + 234041.

It is an arithmetic number, because the mean of its divisors is an integer number (150951927).

Almost surely, 2^1004025245 is an apocalyptic number.

It is an amenable number.

1004025245 is a deficient number, since it is larger than the sum of its proper divisors (203590171).

1004025245 is an equidigital number, since it uses as much as digits as its factorization.

1004025245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464191.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1004025245 is about 31686.3573955733. The cubic root of 1004025245 is about 1001.3399520599.

Adding to 1004025245 its reverse (5425204001), we get a palindrome (6429229246).

The spelling of 1004025245 in words is "one billion, four million, twenty-five thousand, two hundred forty-five".