2125252839 has 4 divisors (see below), whose sum is σ = 2833670456. Its totient is φ = 1416835224.

The previous prime is 2125252837. The next prime is 2125252919. The reversal of 2125252839 is 9382525212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2125252839 - 2¹ = 2125252837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2125252797 and 2125252806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125252837) 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, 354208804 + ... + 354208809.

It is an arithmetic number, because the mean of its divisors is an integer number (708417614).

Almost surely, 2^2125252839 is an apocalyptic number.

2125252839 is a deficient number, since it is larger than the sum of its proper divisors (708417617).

2125252839 is an equidigital number, since it uses as much as digits as its factorization.

2125252839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708417616.

The product of its digits is 86400, while the sum is 39.

The square root of 2125252839 is about 46100.4646288950. The cubic root of 2125252839 is about 1285.6917831317.

The spelling of 2125252839 in words is "two billion, one hundred twenty-five million, two hundred fifty-two thousand, eight hundred thirty-nine".