2125425013 has 4 divisors (see below), whose sum is σ = 2160268108. Its totient is φ = 2090581920.

The previous prime is 2125424999. The next prime is 2125425037. The reversal of 2125425013 is 3105245212.

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 274962724 + 1850462289 = 16582^2 + 43017^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125425013 - 2⁵ = 2125424981 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 (2125429013) 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, 17421456 + ... + 17421577.

It is an arithmetic number, because the mean of its divisors is an integer number (540067027).

Almost surely, 2^2125425013 is an apocalyptic number.

It is an amenable number.

2125425013 is a deficient number, since it is larger than the sum of its proper divisors (34843095).

2125425013 is an equidigital number, since it uses as much as digits as its factorization.

2125425013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34843094.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2125425013 is about 46102.3319692182. The cubic root of 2125425013 is about 1285.7265016235.

The spelling of 2125425013 in words is "two billion, one hundred twenty-five million, four hundred twenty-five thousand, thirteen".