1002025 has 12 divisors (see below), whose sum is σ = 1255500. Its totient is φ = 793280.

The previous prime is 1002017. The next prime is 1002049. The reversal of 1002025 is 5202001.

1002025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 341056 + 660969 = 584^2 + 813^2 .

It is not a de Polignac number, because 1002025 - 2³ = 1002017 is a prime.

1002025 is a lucky number.

It is a congruent 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, 3591 + ... + 3859.

It is an arithmetic number, because the mean of its divisors is an integer number (104625).

2^1002025 is an apocalyptic number.

It is an amenable number.

1002025 is a deficient number, since it is larger than the sum of its proper divisors (253475).

1002025 is a wasteful number, since it uses less digits than its factorization.

1002025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 1002025 is about 1001.0119879402. The cubic root of 1002025 is about 100.0674544887.

Adding to 1002025 its reverse (5202001), we get a palindrome (6204026).

It can be divided in two parts, 100 and 2025, that multiplied together give a square (202500 = 450²).

The spelling of 1002025 in words is "one million, two thousand, twenty-five".