2581725196 has 12 divisors (see below), whose sum is σ = 4783785048. Its totient is φ = 1214929472.

The previous prime is 2581725163. The next prime is 2581725199. The reversal of 2581725196 is 6915271852.

It is a super-2 number, since 2×2581725196² = 13330609975322476832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2581725199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18983206 + ... + 18983341.

It is an arithmetic number, because the mean of its divisors is an integer number (398648754).

Almost surely, 2^2581725196 is an apocalyptic number.

It is an amenable number.

2581725196 is a deficient number, since it is larger than the sum of its proper divisors (2202059852).

2581725196 is a wasteful number, since it uses less digits than its factorization.

2581725196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37966568 (or 37966566 counting only the distinct ones).

The product of its digits is 302400, while the sum is 46.

The square root of 2581725196 is about 50810.6799403433. The cubic root of 2581725196 is about 1371.8396080215.

The spelling of 2581725196 in words is "two billion, five hundred eighty-one million, seven hundred twenty-five thousand, one hundred ninety-six".