2578125375 has 256 divisors, whose sum is σ = 5822668800. Its totient is φ = 1100736000.

The previous prime is 2578125359. The next prime is 2578125377. The reversal of 2578125375 is 5735218752.

2578125375 is a `hidden beast` number, since 2 + 578 + 1 + 2 + 5 + 3 + 75 = 666.

It is not a de Polignac number, because 2578125375 - 2⁴ = 2578125359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (588000) is a multiple of the sum of its prime divisors (168).

It is a self number, because there is not a number n which added to its sum of digits gives 2578125375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578125377) by changing a digit.

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 255 ways as a sum of consecutive naturals, for example, 36311590 + ... + 36311660.

It is an arithmetic number, because the mean of its divisors is an integer number (22744800).

Almost surely, 2^2578125375 is an apocalyptic number.

2578125375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2578125375 is an abundant number, since it is smaller than the sum of its proper divisors (3244543425).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2578125375 is a wasteful number, since it uses less digits than its factorization.

2578125375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 168 counting only the distinct ones).

The product of its digits is 588000, while the sum is 45.

The square root of 2578125375 is about 50775.2437217193. The cubic root of 2578125375 is about 1371.2017045907.

The spelling of 2578125375 in words is "two billion, five hundred seventy-eight million, one hundred twenty-five thousand, three hundred seventy-five".