2025671256 has 192 divisors, whose sum is σ = 6472327680. Its totient is φ = 560309760.

The previous prime is 2025671243. The next prime is 2025671281. The reversal of 2025671256 is 6521765202.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2025671256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3450595 + ... + 3451181.

It is an arithmetic number, because the mean of its divisors is an integer number (33710040).

Almost surely, 2^2025671256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2025671256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3236163840).

2025671256 is an abundant number, since it is smaller than the sum of its proper divisors (4446656424).

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

2025671256 is a wasteful number, since it uses less digits than its factorization.

2025671256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2025671256 is about 45007.4577820165. The cubic root of 2025671256 is about 1265.2887749134.

The spelling of 2025671256 in words is "two billion, twenty-five million, six hundred seventy-one thousand, two hundred fifty-six".