2581033 has 16 divisors (see below), whose sum is σ = 3217536. Its totient is φ = 2016000.

The previous prime is 2581031. The next prime is 2581049. The reversal of 2581033 is 3301852.

It is not a de Polignac number, because 2581033 - 2¹ = 2581031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2580995 and 2581013.

It is not an unprimeable number, because it can be changed into a prime (2581031) 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, 10158 + ... + 10408.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

2^2581033 is an apocalyptic number.

It is an amenable number.

2581033 is a deficient number, since it is larger than the sum of its proper divisors (636503).

2581033 is a wasteful number, since it uses less digits than its factorization.

2581033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2581033 is about 1606.5593670948. The cubic root of 2581033 is about 137.1716994046.

Adding to 2581033 its reverse (3301852), we get a palindrome (5882885).

The spelling of 2581033 in words is "two million, five hundred eighty-one thousand, thirty-three".