2580938 has 4 divisors (see below), whose sum is σ = 3871410. Its totient is φ = 1290468.

The previous prime is 2580937. The next prime is 2580953. The reversal of 2580938 is 8390852.

2580938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 2007889 + 573049 = 1417^2 + 757^2 .

It is a super-2 number, since 2×2580938² = 13322481919688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2580898 and 2580907.

It is not an unprimeable number, because it can be changed into a prime (2580931) 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 as a sum of consecutive naturals, namely, 645233 + ... + 645236.

2^2580938 is an apocalyptic number.

2580938 is a deficient number, since it is larger than the sum of its proper divisors (1290472).

2580938 is a wasteful number, since it uses less digits than its factorization.

2580938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290471.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2580938 is about 1606.5298005328. The cubic root of 2580938 is about 137.1700164258.

The spelling of 2580938 in words is "two million, five hundred eighty thousand, nine hundred thirty-eight".