2125751385 has 8 divisors (see below), whose sum is σ = 3401202240. Its totient is φ = 1133734064.

The previous prime is 2125751357. The next prime is 2125751393. The reversal of 2125751385 is 5831575212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2125751385 - 2⁸ = 2125751129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70858365 + ... + 70858394.

It is an arithmetic number, because the mean of its divisors is an integer number (425150280).

Almost surely, 2^2125751385 is an apocalyptic number.

It is an amenable number.

2125751385 is a deficient number, since it is larger than the sum of its proper divisors (1275450855).

2125751385 is a wasteful number, since it uses less digits than its factorization.

2125751385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141716767.

The product of its digits is 84000, while the sum is 39.

The square root of 2125751385 is about 46105.8714807561. The cubic root of 2125751385 is about 1285.7923086425.

The spelling of 2125751385 in words is "two billion, one hundred twenty-five million, seven hundred fifty-one thousand, three hundred eighty-five".