2043825797 has 4 divisors (see below), whose sum is σ = 2201043180. Its totient is φ = 1886608416.

The previous prime is 2043825739. The next prime is 2043825829. The reversal of 2043825797 is 7975283402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 365612641 + 1678213156 = 19121^2 + 40966^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043825797 - 2¹⁴ = 2043809413 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 (2043822797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78608672 + ... + 78608697.

It is an arithmetic number, because the mean of its divisors is an integer number (550260795).

Almost surely, 2^2043825797 is an apocalyptic number.

It is an amenable number.

2043825797 is a deficient number, since it is larger than the sum of its proper divisors (157217383).

2043825797 is a wasteful number, since it uses less digits than its factorization.

2043825797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157217382.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 2043825797 is about 45208.6916090258. The cubic root of 2043825797 is about 1269.0574768480.

The spelling of 2043825797 in words is "two billion, forty-three million, eight hundred twenty-five thousand, seven hundred ninety-seven".