1002250425 has 24 divisors (see below), whose sum is σ = 1807696800. Its totient is φ = 485939200.

The previous prime is 1002250421. The next prime is 1002250427. The reversal of 1002250425 is 5240522001.

It is a happy number.

It is not a de Polignac number, because 1002250425 - 2² = 1002250421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002250421) 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, 606600 + ... + 608249.

It is an arithmetic number, because the mean of its divisors is an integer number (75320700).

Almost surely, 2^1002250425 is an apocalyptic number.

1002250425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1002250425 is a deficient number, since it is larger than the sum of its proper divisors (805446375).

1002250425 is a wasteful number, since it uses less digits than its factorization.

1002250425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214873 (or 1214868 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1002250425 is about 31658.3389488457. The cubic root of 1002250425 is about 1000.7495796566.

Adding to 1002250425 its reverse (5240522001), we get a palindrome (6242772426).

The spelling of 1002250425 in words is "one billion, two million, two hundred fifty thousand, four hundred twenty-five".