1002573 has 48 divisors (see below), whose sum is σ = 1834560. Its totient is φ = 518400.

The previous prime is 1002569. The next prime is 1002577. The reversal of 1002573 is 3752001.

It is an interprime number because it is at equal distance from previous prime (1002569) and next prime (1002577).

It is not a de Polignac number, because 1002573 - 2² = 1002569 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24433 + ... + 24473.

It is an arithmetic number, because the mean of its divisors is an integer number (38220).

2^1002573 is an apocalyptic number.

1002573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1002573 is a deficient number, since it is larger than the sum of its proper divisors (831987).

1002573 is a wasteful number, since it uses less digits than its factorization.

1002573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 1002573 is about 1001.2856735218. The cubic root of 1002573 is about 100.0856932124.

Adding to 1002573 its reverse (3752001), we get a palindrome (4754574).

The spelling of 1002573 in words is "one million, two thousand, five hundred seventy-three".