2805282137 has 4 divisors (see below), whose sum is σ = 3206036736. Its totient is φ = 2404527540.

The previous prime is 2805282127. The next prime is 2805282187. The reversal of 2805282137 is 7312825082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7312825082 = 2 ⋅3656412541.

It is a cyclic number.

It is not a de Polignac number, because 2805282137 - 2⁴ = 2805282121 is a prime.

It is a super-3 number, since 3×2805282137³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2805282137.

It is not an unprimeable number, because it can be changed into a prime (2805282127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 200377289 + ... + 200377302.

It is an arithmetic number, because the mean of its divisors is an integer number (801509184).

Almost surely, 2^2805282137 is an apocalyptic number.

It is an amenable number.

2805282137 is a deficient number, since it is larger than the sum of its proper divisors (400754599).

2805282137 is an equidigital number, since it uses as much as digits as its factorization.

2805282137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400754598.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 2805282137 is about 52964.9142074260. The cubic root of 2805282137 is about 1410.3454943646.

The spelling of 2805282137 in words is "two billion, eight hundred five million, two hundred eighty-two thousand, one hundred thirty-seven".