2525665626 has 48 divisors (see below), whose sum is σ = 5974544160. Its totient is φ = 764739360.

The previous prime is 2525665609. The next prime is 2525665661. The reversal of 2525665626 is 6265665252.

2525665626 is a `hidden beast` number, since 2 + 5 + 25 + 66 + 562 + 6 = 666.

It is a super-3 number, since 3×2525665626³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283305 + ... + 292083.

It is an arithmetic number, because the mean of its divisors is an integer number (124469670).

Almost surely, 2^2525665626 is an apocalyptic number.

2525665626 is an abundant number, since it is smaller than the sum of its proper divisors (3448878534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2525665626 is a wasteful number, since it uses less digits than its factorization.

2525665626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10251 (or 10248 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The square root of 2525665626 is about 50256.0008954155. Note that the first 3 decimals coincide. The cubic root of 2525665626 is about 1361.8374863508.

The spelling of 2525665626 in words is "two billion, five hundred twenty-five million, six hundred sixty-five thousand, six hundred twenty-six".