1002625 has 16 divisors (see below), whose sum is σ = 1349712. Its totient is φ = 739200.

The previous prime is 1002623. The next prime is 1002647. The reversal of 1002625 is 5262001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 802816 + 199809 = 896^2 + 447^2 .

It is not a de Polignac number, because 1002625 - 2¹ = 1002623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002599 and 1002608.

It is not an unprimeable number, because it can be changed into a prime (1002623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317 + ... + 1933.

It is an arithmetic number, because the mean of its divisors is an integer number (84357).

2^1002625 is an apocalyptic number.

It is an amenable number.

1002625 is a deficient number, since it is larger than the sum of its proper divisors (347087).

1002625 is an equidigital number, since it uses as much as digits as its factorization.

1002625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1002625 is about 1001.3116398005. The cubic root of 1002625 is about 100.0874235490.

Adding to 1002625 its reverse (5262001), we get a palindrome (6264626).

The spelling of 1002625 in words is "one million, two thousand, six hundred twenty-five".