2500305030 has 64 divisors (see below), whose sum is σ = 6686945280. Its totient is φ = 664801632.

The previous prime is 2500305023. The next prime is 2500305083. The reversal of 2500305030 is 305030052.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2500304994 and 2500305012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80347 + ... + 107033.

It is an arithmetic number, because the mean of its divisors is an integer number (104483520).

Almost surely, 2^2500305030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2500305030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3343472640).

2500305030 is an abundant number, since it is smaller than the sum of its proper divisors (4186640250).

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

2500305030 is a wasteful number, since it uses less digits than its factorization.

2500305030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27050 (or 27044 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 2500305030 is about 50003.0502069624. The cubic root of 2500305030 is about 1357.2640046397.

Adding to 2500305030 its reverse (305030052), we get a palindrome (2805335082).

The spelling of 2500305030 in words is "two billion, five hundred million, three hundred five thousand, thirty".