1004000225 has 12 divisors (see below), whose sum is σ = 1257050496. Its totient is φ = 795400080.

The previous prime is 1004000219. The next prime is 1004000233. The reversal of 1004000225 is 5220004001.

It is not a de Polignac number, because 1004000225 - 2¹⁶ = 1003934689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192377 + ... + 197526.

It is an arithmetic number, because the mean of its divisors is an integer number (104754208).

Almost surely, 2^1004000225 is an apocalyptic number.

It is an amenable number.

1004000225 is a deficient number, since it is larger than the sum of its proper divisors (253050271).

1004000225 is a wasteful number, since it uses less digits than its factorization.

1004000225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390016 (or 390011 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1004000225 is about 31685.9625859780. The cubic root of 1004000225 is about 1001.3316342963.

Adding to 1004000225 its reverse (5220004001), we get a palindrome (6224004226).

The spelling of 1004000225 in words is "one billion, four million, two hundred twenty-five", and thus it is an aban number.