1003255625 has 10 divisors (see below), whose sum is σ = 1253669010. Its totient is φ = 802604000.

The previous prime is 1003255601. The next prime is 1003255637. The reversal of 1003255625 is 5265523001.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 682881424 + 320374201 = 26132^2 + 17899^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1003255625 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 801980 + ... + 803229.

It is an arithmetic number, because the mean of its divisors is an integer number (125366901).

Almost surely, 2^1003255625 is an apocalyptic number.

It is an amenable number.

1003255625 is a deficient number, since it is larger than the sum of its proper divisors (250413385).

1003255625 is an frugal number, since it uses more digits than its factorization.

1003255625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605229 (or 1605214 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1003255625 is about 31674.2107241838. The cubic root of 1003255625 is about 1001.0840327816.

Adding to 1003255625 its reverse (5265523001), we get a palindrome (6268778626).

The spelling of 1003255625 in words is "one billion, three million, two hundred fifty-five thousand, six hundred twenty-five".