2051875313 has 4 divisors (see below), whose sum is σ = 2079983268. Its totient is φ = 2023767360.

The previous prime is 2051875307. The next prime is 2051875321. The reversal of 2051875313 is 3135781502.

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 987027889 + 1064847424 = 31417^2 + 32632^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051875313 - 2⁶ = 2051875249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051875013) 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, 14053868 + ... + 14054013.

It is an arithmetic number, because the mean of its divisors is an integer number (519995817).

Almost surely, 2^2051875313 is an apocalyptic number.

It is an amenable number.

2051875313 is a deficient number, since it is larger than the sum of its proper divisors (28107955).

2051875313 is an equidigital number, since it uses as much as digits as its factorization.

2051875313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28107954.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 2051875313 is about 45297.6303243337. The cubic root of 2051875313 is about 1270.7213363470.

The spelling of 2051875313 in words is "two billion, fifty-one million, eight hundred seventy-five thousand, three hundred thirteen".