2500505530 has 16 divisors (see below), whose sum is σ = 4505163264. Its totient is φ = 999257040.

The previous prime is 2500505521. The next prime is 2500505533. The reversal of 2500505530 is 355050052.

It is a junction number, because it is equal to n+sod(n) for n = 2500505495 and 2500505504.

It is not an unprimeable number, because it can be changed into a prime (2500505533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106986 + ... + 128245.

It is an arithmetic number, because the mean of its divisors is an integer number (281572704).

Almost surely, 2^2500505530 is an apocalyptic number.

2500505530 is a deficient number, since it is larger than the sum of its proper divisors (2004657734).

2500505530 is a wasteful number, since it uses less digits than its factorization.

2500505530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236301.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 2500505530 is about 50005.0550444653. The cubic root of 2500505530 is about 1357.3002834345.

Adding to 2500505530 its reverse (355050052), we get a palindrome (2855555582).

The spelling of 2500505530 in words is "two billion, five hundred million, five hundred five thousand, five hundred thirty".