1002580 has 12 divisors (see below), whose sum is σ = 2105460. Its totient is φ = 401024.

The previous prime is 1002577. The next prime is 1002583. The reversal of 1002580 is 852001.

It is a happy number.

1002580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1002577) and next prime (1002583).

It can be written as a sum of positive squares in 2 ways, for example, as 725904 + 276676 = 852^2 + 526^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25045 + ... + 25084.

It is an arithmetic number, because the mean of its divisors is an integer number (175455).

2^1002580 is an apocalyptic number.

1002580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002580 is an abundant number, since it is smaller than the sum of its proper divisors (1102880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002580 is a wasteful number, since it uses less digits than its factorization.

1002580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50138 (or 50136 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1002580 is about 1001.2891690216. The cubic root of 1002580 is about 100.0859261458.

Adding to 1002580 its reverse (852001), we get a palindrome (1854581).

The spelling of 1002580 in words is "one million, two thousand, five hundred eighty".