2806925247 has 24 divisors (see below), whose sum is σ = 4638433280. Its totient is φ = 1602303120.

The previous prime is 2806925237. The next prime is 2806925249. The reversal of 2806925247 is 7425296082.

It is not a de Polignac number, because 2806925247 - 2⁶ = 2806925183 is a prime.

It is a super-2 number, since 2×2806925247² = 15757658684492022018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2806925249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39954 + ... + 84912.

Almost surely, 2^2806925247 is an apocalyptic number.

2806925247 is a deficient number, since it is larger than the sum of its proper divisors (1831508033).

2806925247 is a wasteful number, since it uses less digits than its factorization.

2806925247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45963 (or 45960 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 2806925247 is about 52980.4232429300. The cubic root of 2806925247 is about 1410.6207965006.

The spelling of 2806925247 in words is "two billion, eight hundred six million, nine hundred twenty-five thousand, two hundred forty-seven".