2125340237 has 4 divisors (see below), whose sum is σ = 2127122940. Its totient is φ = 2123557536.

The previous prime is 2125340219. The next prime is 2125340257. The reversal of 2125340237 is 7320435212.

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 1288163881 + 837176356 = 35891^2 + 28934^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125340237 - 2¹⁰ = 2125339213 is a prime.

It is a super-3 number, since 3×2125340237³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125340207) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 889562 + ... + 891947.

It is an arithmetic number, because the mean of its divisors is an integer number (531780735).

Almost surely, 2^2125340237 is an apocalyptic number.

It is an amenable number.

2125340237 is a deficient number, since it is larger than the sum of its proper divisors (1782703).

2125340237 is a wasteful number, since it uses less digits than its factorization.

2125340237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782702.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 2125340237 is about 46101.4125271667. The cubic root of 2125340237 is about 1285.7094069721.

Adding to 2125340237 its reverse (7320435212), we get a palindrome (9445775449).

The spelling of 2125340237 in words is "two billion, one hundred twenty-five million, three hundred forty thousand, two hundred thirty-seven".