2582002 has 4 divisors (see below), whose sum is σ = 3873006. Its totient is φ = 1291000.

The previous prime is 2581991. The next prime is 2582009. The reversal of 2582002 is 2002852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2076481 + 505521 = 1441^2 + 711^2 .

It is not an unprimeable number, because it can be changed into a prime (2582009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645499 + ... + 645502.

2^2582002 is an apocalyptic number.

2582002 is a deficient number, since it is larger than the sum of its proper divisors (1291004).

2582002 is a wasteful number, since it uses less digits than its factorization.

2582002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291003.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2582002 is about 1606.8609149519. The cubic root of 2582002 is about 137.1888634298.

Adding to 2582002 its reverse (2002852), we get a palindrome (4584854).

The spelling of 2582002 in words is "two million, five hundred eighty-two thousand, two".