2051325313 has 4 divisors (see below), whose sum is σ = 2053256128. Its totient is φ = 2049394500.

The previous prime is 2051325301. The next prime is 2051325319. The reversal of 2051325313 is 3135231502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2051325313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051325319) 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, 963813 + ... + 965938.

It is an arithmetic number, because the mean of its divisors is an integer number (513314032).

Almost surely, 2^2051325313 is an apocalyptic number.

It is an amenable number.

2051325313 is a deficient number, since it is larger than the sum of its proper divisors (1930815).

2051325313 is a wasteful number, since it uses less digits than its factorization.

2051325313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930814.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 2051325313 is about 45291.5589597002. The cubic root of 2051325313 is about 1270.6077883184.

Adding to 2051325313 its reverse (3135231502), we get a palindrome (5186556815).

The spelling of 2051325313 in words is "two billion, fifty-one million, three hundred twenty-five thousand, three hundred thirteen".