2051340275 has 24 divisors (see below), whose sum is σ = 2719495584. Its totient is φ = 1529510400.

The previous prime is 2051340271. The next prime is 2051340283. The reversal of 2051340275 is 5720431502.

It is a happy number.

It is not a de Polignac number, because 2051340275 - 2² = 2051340271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051340271) 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, 20345 + ... + 67205.

It is an arithmetic number, because the mean of its divisors is an integer number (113312316).

Almost surely, 2^2051340275 is an apocalyptic number.

2051340275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2051340275 is a deficient number, since it is larger than the sum of its proper divisors (668155309).

2051340275 is a wasteful number, since it uses less digits than its factorization.

2051340275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46991 (or 46986 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2051340275 is about 45291.7241336649. The cubic root of 2051340275 is about 1270.6108775062.

Adding to 2051340275 its reverse (5720431502), we get a palindrome (7771771777).

The spelling of 2051340275 in words is "two billion, fifty-one million, three hundred forty thousand, two hundred seventy-five".