2500038530 has 32 divisors (see below), whose sum is σ = 5197944960. Its totient is φ = 855627520.

The previous prime is 2500038517. The next prime is 2500038551. The reversal of 2500038530 is 358300052.

It is a self number, because there is not a number n which added to its sum of digits gives 2500038530.

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 15 ways as a sum of consecutive naturals, for example, 666590 + ... + 670329.

It is an arithmetic number, because the mean of its divisors is an integer number (162435780).

Almost surely, 2^2500038530 is an apocalyptic number.

2500038530 is an abundant number, since it is smaller than the sum of its proper divisors (2697906430).

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

2500038530 is a wasteful number, since it uses less digits than its factorization.

2500038530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336954.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2500038530 is about 50000.3852985155. The cubic root of 2500038530 is about 1357.2157806957.

Adding to 2500038530 its reverse (358300052), we get a palindrome (2858338582).

The spelling of 2500038530 in words is "two billion, five hundred million, thirty-eight thousand, five hundred thirty".