2825643217 has 16 divisors (see below), whose sum is σ = 2943662400. Its totient is φ = 2709080640.

The previous prime is 2825643203. The next prime is 2825643229. The reversal of 2825643217 is 7123465282.

2825643217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2825643217 is a prime.

Its product of digits (161280) is a multiple of the sum of its prime divisors (1536).

It is a self number, because there is not a number n which added to its sum of digits gives 2825643217.

It is not an unprimeable number, because it can be changed into a prime (2825643257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3483742 + ... + 3484552.

It is an arithmetic number, because the mean of its divisors is an integer number (183978900).

Almost surely, 2^2825643217 is an apocalyptic number.

It is an amenable number.

2825643217 is a deficient number, since it is larger than the sum of its proper divisors (118019183).

2825643217 is a wasteful number, since it uses less digits than its factorization.

2825643217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536.

The product of its digits is 161280, while the sum is 40.

The square root of 2825643217 is about 53156.7795958333. The cubic root of 2825643217 is about 1413.7494254383.

The spelling of 2825643217 in words is "two billion, eight hundred twenty-five million, six hundred forty-three thousand, two hundred seventeen".