2505387580 has 24 divisors (see below), whose sum is σ = 5570803728. Its totient is φ = 943204608.

The previous prime is 2505387551. The next prime is 2505387587. The reversal of 2505387580 is 857835052.

2505387580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505387587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3684054 + ... + 3684733.

It is an arithmetic number, because the mean of its divisors is an integer number (232116822).

Almost surely, 2^2505387580 is an apocalyptic number.

2505387580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2505387580 is an abundant number, since it is smaller than the sum of its proper divisors (3065416148).

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

2505387580 is a wasteful number, since it uses less digits than its factorization.

2505387580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7368813 (or 7368811 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 43.

The square root of 2505387580 is about 50053.8468052157. The cubic root of 2505387580 is about 1358.1830515946.

The spelling of 2505387580 in words is "two billion, five hundred five million, three hundred eighty-seven thousand, five hundred eighty".