2808025213 has 6 divisors (see below), whose sum is σ = 3266478366. Its totient is φ = 2406878712.

The previous prime is 2808025211. The next prime is 2808025249. The reversal of 2808025213 is 3125208082.

It can be written as a sum of positive squares in only one way, i.e., 2675268729 + 132756484 = 51723^2 + 11522^2 .

It is not a de Polignac number, because 2808025213 - 2¹ = 2808025211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808025211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28653270 + ... + 28653367.

It is an arithmetic number, because the mean of its divisors is an integer number (544413061).

Almost surely, 2^2808025213 is an apocalyptic number.

It is an amenable number.

2808025213 is a deficient number, since it is larger than the sum of its proper divisors (458453153).

2808025213 is an equidigital number, since it uses as much as digits as its factorization.

2808025213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57306651 (or 57306644 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2808025213 is about 52990.8030982736. The cubic root of 2808025213 is about 1410.8050351413.

The spelling of 2808025213 in words is "two billion, eight hundred eight million, twenty-five thousand, two hundred thirteen".