2645006225 has 12 divisors (see below), whose sum is σ = 3291010716. Its totient is φ = 2108777280.

The previous prime is 2645006179. The next prime is 2645006237. The reversal of 2645006225 is 5226005462.

It can be written as a sum of positive squares in 6 ways, for example, as 56130064 + 2588876161 = 7492^2 + 50881^2 .

It is not a de Polignac number, because 2645006225 - 2¹⁶ = 2644940689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2645006191 and 2645006200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173222 + ... + 187871.

It is an arithmetic number, because the mean of its divisors is an integer number (274250893).

Almost surely, 2^2645006225 is an apocalyptic number.

2645006225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2645006225 is a deficient number, since it is larger than the sum of its proper divisors (646004491).

2645006225 is a wasteful number, since it uses less digits than its factorization.

2645006225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361396 (or 361391 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2645006225 is about 51429.6240021255. The cubic root of 2645006225 is about 1382.9577088555.

The spelling of 2645006225 in words is "two billion, six hundred forty-five million, six thousand, two hundred twenty-five".