2581095004 has 24 divisors (see below), whose sum is σ = 4677140160. Its totient is φ = 1244854464.

The previous prime is 2581095001. The next prime is 2581095043. The reversal of 2581095004 is 4005901852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581095001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117862 + ... + 138034.

It is an arithmetic number, because the mean of its divisors is an integer number (194880840).

Almost surely, 2^2581095004 is an apocalyptic number.

It is an amenable number.

2581095004 is a deficient number, since it is larger than the sum of its proper divisors (2096045156).

2581095004 is a wasteful number, since it uses less digits than its factorization.

2581095004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21309 (or 21307 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 2581095004 is about 50804.4781884432. The cubic root of 2581095004 is about 1371.7279781832.

Adding to 2581095004 its reverse (4005901852), we get a palindrome (6586996856).

The spelling of 2581095004 in words is "two billion, five hundred eighty-one million, ninety-five thousand, four".