2125411313 has 4 divisors (see below), whose sum is σ = 2182854900. Its totient is φ = 2067967728.

The previous prime is 2125411291. The next prime is 2125411333. The reversal of 2125411313 is 3131145212.

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 908238769 + 1217172544 = 30137^2 + 34888^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125411313 - 2¹² = 2125407217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125411333) 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, 28721738 + ... + 28721811.

It is an arithmetic number, because the mean of its divisors is an integer number (545713725).

Almost surely, 2^2125411313 is an apocalyptic number.

It is an amenable number.

2125411313 is a deficient number, since it is larger than the sum of its proper divisors (57443587).

2125411313 is an equidigital number, since it uses as much as digits as its factorization.

2125411313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57443586.

The product of its digits is 720, while the sum is 23.

The square root of 2125411313 is about 46102.1833864731. The cubic root of 2125411313 is about 1285.7237391186.

Adding to 2125411313 its reverse (3131145212), we get a palindrome (5256556525).

The spelling of 2125411313 in words is "two billion, one hundred twenty-five million, four hundred eleven thousand, three hundred thirteen".