2065512347 has 4 divisors (see below), whose sum is σ = 2068915776. Its totient is φ = 2062108920.

The previous prime is 2065512313. The next prime is 2065512349. The reversal of 2065512347 is 7432155602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7432155602 = 2 ⋅3716077801.

It is a cyclic number.

It is not a de Polignac number, because 2065512347 - 2⁸ = 2065512091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2065512349) 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, 1700804 + ... + 1702017.

It is an arithmetic number, because the mean of its divisors is an integer number (517228944).

Almost surely, 2^2065512347 is an apocalyptic number.

2065512347 is a deficient number, since it is larger than the sum of its proper divisors (3403429).

2065512347 is an equidigital number, since it uses as much as digits as its factorization.

2065512347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403428.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2065512347 is about 45447.9080596676. The cubic root of 2065512347 is about 1273.5302499126.

Adding to 2065512347 its reverse (7432155602), we get a palindrome (9497667949).

The spelling of 2065512347 in words is "two billion, sixty-five million, five hundred twelve thousand, three hundred forty-seven".