2806125289 has 16 divisors (see below), whose sum is σ = 3214077120. Its totient is φ = 2426276160.

The previous prime is 2806125269. The next prime is 2806125367. The reversal of 2806125289 is 9825216082.

It is not a de Polignac number, because 2806125289 - 2⁹ = 2806124777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2806125209) 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, 44274 + ... + 87019.

It is an arithmetic number, because the mean of its divisors is an integer number (200879820).

Almost surely, 2^2806125289 is an apocalyptic number.

2806125289 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2806125289 is a deficient number, since it is larger than the sum of its proper divisors (407951831).

2806125289 is a wasteful number, since it uses less digits than its factorization.

2806125289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131400.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 2806125289 is about 52972.8731427700. The cubic root of 2806125289 is about 1410.4867774218.

The spelling of 2806125289 in words is "two billion, eight hundred six million, one hundred twenty-five thousand, two hundred eighty-nine".