2125351313 has 4 divisors (see below), whose sum is σ = 2125585920. Its totient is φ = 2125116708.

The previous prime is 2125351307. The next prime is 2125351427. The reversal of 2125351313 is 3131535212.

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-2125351313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2025351313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103145 + ... + 122022.

It is an arithmetic number, because the mean of its divisors is an integer number (531396480).

Almost surely, 2^2125351313 is an apocalyptic number.

It is an amenable number.

2125351313 is a deficient number, since it is larger than the sum of its proper divisors (234607).

2125351313 is an equidigital number, since it uses as much as digits as its factorization.

2125351313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234606.

The product of its digits is 2700, while the sum is 26.

The square root of 2125351313 is about 46101.5326534813. The cubic root of 2125351313 is about 1285.7116404172.

Adding to 2125351313 its reverse (3131535212), we get a palindrome (5256886525).

The spelling of 2125351313 in words is "two billion, one hundred twenty-five million, three hundred fifty-one thousand, three hundred thirteen".