2025574656 has 144 divisors (see below), whose sum is σ = 6181252224. Its totient is φ = 576847872.

The previous prime is 2025574643. The next prime is 2025574669. The reversal of 2025574656 is 6564755202.

It is an interprime number because it is at equal distance from previous prime (2025574643) and next prime (2025574669).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3101626 + ... + 3102278.

Almost surely, 2^2025574656 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 2025574656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3090626112).

2025574656 is an abundant number, since it is smaller than the sum of its proper divisors (4155677568).

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

2025574656 is an equidigital number, since it uses as much as digits as its factorization.

2025574656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 2025574656 is about 45006.3846137412. The cubic root of 2025574656 is about 1265.2686616072.

The spelling of 2025574656 in words is "two billion, twenty-five million, five hundred seventy-four thousand, six hundred fifty-six".