2125925 has 6 divisors (see below), whose sum is σ = 2636178. Its totient is φ = 1700720.

The previous prime is 2125919. The next prime is 2125927. The reversal of 2125925 is 5295212.

It can be written as a sum of positive squares in 3 ways, for example, as 58081 + 2067844 = 241^2 + 1438^2 .

It is not a de Polignac number, because 2125925 - 2¹² = 2121829 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 2125894 and 2125903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125927) 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, 42494 + ... + 42543.

It is an arithmetic number, because the mean of its divisors is an integer number (439363).

2^2125925 is an apocalyptic number.

2125925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2125925 is a deficient number, since it is larger than the sum of its proper divisors (510253).

2125925 is an equidigital number, since it uses as much as digits as its factorization.

2125925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85047 (or 85042 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 2125925 is about 1458.0552115747. The cubic root of 2125925 is about 128.5827312227.

The spelling of 2125925 in words is "two million, one hundred twenty-five thousand, nine hundred twenty-five".