2506550625 has 90 divisors (see below), whose sum is σ = 4651150218. Its totient is φ = 1300320000.

The previous prime is 2506550617. The next prime is 2506550639. The reversal of 2506550625 is 5260556052.

2506550625 is a `hidden beast` number, since 25 + 0 + 6 + 5 + 5 + 0 + 625 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 672313041 + 1834237584 = 25929^2 + 42828^2 .

It is not a de Polignac number, because 2506550625 - 2³ = 2506550617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2506550625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 10400505 + ... + 10400745.

Almost surely, 2^2506550625 is an apocalyptic number.

2506550625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2506550625 is a deficient number, since it is larger than the sum of its proper divisors (2144599593).

2506550625 is an equidigital number, since it uses as much as digits as its factorization.

2506550625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 2506550625 is about 50065.4633954386. The cubic root of 2506550625 is about 1358.3931832395.

The spelling of 2506550625 in words is "two billion, five hundred six million, five hundred fifty thousand, six hundred twenty-five".