2125325605 has 16 divisors (see below), whose sum is σ = 2753526384. Its totient is φ = 1565498880.

The previous prime is 2125325591. The next prime is 2125325627. The reversal of 2125325605 is 5065235212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 42954916 + 2082370689 = 6554^2 + 45633^2 .

It is not a de Polignac number, because 2125325605 - 2⁹ = 2125325093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15376 + ... + 66985.

It is an arithmetic number, because the mean of its divisors is an integer number (172095399).

Almost surely, 2^2125325605 is an apocalyptic number.

It is an amenable number.

2125325605 is a deficient number, since it is larger than the sum of its proper divisors (628200779).

2125325605 is a wasteful number, since it uses less digits than its factorization.

2125325605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82776.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2125325605 is about 46101.2538332744. The cubic root of 2125325605 is about 1285.7064564573.

The spelling of 2125325605 in words is "two billion, one hundred twenty-five million, three hundred twenty-five thousand, six hundred five".