2505525500 has 24 divisors (see below), whose sum is σ = 5472068784. Its totient is φ = 1002210000.

The previous prime is 2505525437. The next prime is 2505525509. The reversal of 2505525500 is 55255052.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505525509) 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 7 ways as a sum of consecutive naturals, for example, 2505026 + ... + 2506025.

It is an arithmetic number, because the mean of its divisors is an integer number (228002866).

Almost surely, 2^2505525500 is an apocalyptic number.

2505525500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2505525500 is an abundant number, since it is smaller than the sum of its proper divisors (2966543284).

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

2505525500 is a wasteful number, since it uses less digits than its factorization.

2505525500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011070 (or 5011058 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 2505525500 is about 50055.2245025432. The cubic root of 2505525500 is about 1358.2079735097.

The spelling of 2505525500 in words is "two billion, five hundred five million, five hundred twenty-five thousand, five hundred".