2656006625 has 16 divisors (see below), whose sum is σ = 3316177488. Its totient is φ = 2123856000.

The previous prime is 2656006603. The next prime is 2656006657. The reversal of 2656006625 is 5266006562.

It can be written as a sum of positive squares in 8 ways, for example, as 1377300544 + 1278706081 = 37112^2 + 35759^2 .

It is not a de Polignac number, because 2656006625 - 2⁸ = 2656006369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448685 + ... + 454565.

It is an arithmetic number, because the mean of its divisors is an integer number (207261093).

Almost surely, 2^2656006625 is an apocalyptic number.

2656006625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2656006625 is a deficient number, since it is larger than the sum of its proper divisors (660170863).

2656006625 is an equidigital number, since it uses as much as digits as its factorization.

2656006625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9509 (or 9499 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 2656006625 is about 51536.4591818258. The cubic root of 2656006625 is about 1384.8722659767.

The spelling of 2656006625 in words is "two billion, six hundred fifty-six million, six thousand, six hundred twenty-five".