2125349 has 4 divisors (see below), whose sum is σ = 2134860. Its totient is φ = 2115840.

The previous prime is 2125339. The next prime is 2125373. The reversal of 2125349 is 9435212.

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 1940449 + 184900 = 1393^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125349 - 2¹² = 2121253 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 (2125339) 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, 4412 + ... + 4869.

It is an arithmetic number, because the mean of its divisors is an integer number (533715).

2^2125349 is an apocalyptic number.

It is an amenable number.

2125349 is a deficient number, since it is larger than the sum of its proper divisors (9511).

2125349 is an equidigital number, since it uses as much as digits as its factorization.

2125349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510.

The product of its digits is 2160, while the sum is 26.

The square root of 2125349 is about 1457.8576748092. The cubic root of 2125349 is about 128.5711174008.

The spelling of 2125349 in words is "two million, one hundred twenty-five thousand, three hundred forty-nine".