2125310413 has 4 divisors (see below), whose sum is σ = 2138847580. Its totient is φ = 2111773248.

The previous prime is 2125310357. The next prime is 2125310461. The reversal of 2125310413 is 3140135212.

It is a happy number.

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 181117764 + 1944192649 = 13458^2 + 44093^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125310413 - 2¹⁷ = 2125179341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125310513) 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, 6768348 + ... + 6768661.

It is an arithmetic number, because the mean of its divisors is an integer number (534711895).

Almost surely, 2^2125310413 is an apocalyptic number.

It is an amenable number.

2125310413 is a deficient number, since it is larger than the sum of its proper divisors (13537167).

2125310413 is a wasteful number, since it uses less digits than its factorization.

2125310413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13537166.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2125310413 is about 46101.0890652271. The cubic root of 2125310413 is about 1285.7033930053.

Adding to 2125310413 its reverse (3140135212), we get a palindrome (5265445625).

The spelling of 2125310413 in words is "two billion, one hundred twenty-five million, three hundred ten thousand, four hundred thirteen".