2100113425 has 6 divisors (see below), whose sum is σ = 2604140678. Its totient is φ = 1680090720.

The previous prime is 2100113423. The next prime is 2100113467. The reversal of 2100113425 is 5243110012.

It can be written as a sum of positive squares in 3 ways, for example, as 22212369 + 2077901056 = 4713^2 + 45584^2 .

It is not a de Polignac number, because 2100113425 - 2¹ = 2100113423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100113423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42002244 + ... + 42002293.

Almost surely, 2^2100113425 is an apocalyptic number.

2100113425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2100113425 is a deficient number, since it is larger than the sum of its proper divisors (504027253).

2100113425 is an equidigital number, since it uses as much as digits as its factorization.

2100113425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84004547 (or 84004542 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2100113425 is about 45826.9945010580. The cubic root of 2100113425 is about 1280.6022200790.

Adding to 2100113425 its reverse (5243110012), we get a palindrome (7343223437).

The spelling of 2100113425 in words is "two billion, one hundred million, one hundred thirteen thousand, four hundred twenty-five".