2025251856 has 40 divisors (see below), whose sum is σ = 5813224160. Its totient is φ = 675083808.

The previous prime is 2025251849. The next prime is 2025251887. The reversal of 2025251856 is 6581525202.

It is a happy number.

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 2025251856.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2343610 + ... + 2344473.

It is an arithmetic number, because the mean of its divisors is an integer number (145330604).

Almost surely, 2^2025251856 is an apocalyptic number.

It is an amenable number.

2025251856 is an abundant number, since it is smaller than the sum of its proper divisors (3787972304).

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

2025251856 is a wasteful number, since it uses less digits than its factorization.

2025251856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688100 (or 4688088 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 2025251856 is about 45002.7983129938. The cubic root of 2025251856 is about 1265.2014460443.

The spelling of 2025251856 in words is "two billion, twenty-five million, two hundred fifty-one thousand, eight hundred fifty-six".