2575863500 has 96 divisors (see below), whose sum is σ = 6507551232. Its totient is φ = 872414400.

The previous prime is 2575863487. The next prime is 2575863509. The reversal of 2575863500 is 53685752.

It is not an unprimeable number, because it can be changed into a prime (2575863509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286067 + ... + 294933.

It is an arithmetic number, because the mean of its divisors is an integer number (67786992).

Almost surely, 2^2575863500 is an apocalyptic number.

2575863500 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 2575863500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3253775616).

2575863500 is an abundant number, since it is smaller than the sum of its proper divisors (3931687732).

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

2575863500 is a wasteful number, since it uses less digits than its factorization.

2575863500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976 (or 8964 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 2575863500 is about 50752.9654306032. The cubic root of 2575863500 is about 1370.8005870008.

The spelling of 2575863500 in words is "two billion, five hundred seventy-five million, eight hundred sixty-three thousand, five hundred".