2505271530 has 32 divisors (see below), whose sum is σ = 6015290688. Its totient is φ = 667779200.

The previous prime is 2505271529. The next prime is 2505271537. The reversal of 2505271530 is 351725052.

2505271530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2505271537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56125 + ... + 90335.

It is an arithmetic number, because the mean of its divisors is an integer number (187977834).

Almost surely, 2^2505271530 is an apocalyptic number.

2505271530 is an abundant number, since it is smaller than the sum of its proper divisors (3510019158).

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

2505271530 is a wasteful number, since it uses less digits than its factorization.

2505271530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36662.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 2505271530 is about 50052.6875402310. The cubic root of 2505271530 is about 1358.1620808437.

Adding to 2505271530 its reverse (351725052), we get a palindrome (2856996582).

The spelling of 2505271530 in words is "two billion, five hundred five million, two hundred seventy-one thousand, five hundred thirty".