2525355520 has 80 divisors (see below), whose sum is σ = 6115510368. Its totient is φ = 1000038400.

The previous prime is 2525355479. The next prime is 2525355533. The reversal of 2525355520 is 255535252.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253677 + ... + 263443.

Almost surely, 2^2525355520 is an apocalyptic number.

2525355520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525355520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3057755184).

2525355520 is an abundant number, since it is smaller than the sum of its proper divisors (3590154848).

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

2525355520 is an equidigital number, since it uses as much as digits as its factorization.

2525355520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9891 (or 9875 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 34.

The square root of 2525355520 is about 50252.9155373099. The cubic root of 2525355520 is about 1361.7817477425.

The spelling of 2525355520 in words is "two billion, five hundred twenty-five million, three hundred fifty-five thousand, five hundred twenty".