2505242830 has 16 divisors (see below), whose sum is σ = 4534632720. Its totient is φ = 996498112.

The previous prime is 2505242827. The next prime is 2505242843. The reversal of 2505242830 is 382425052.

It is a junction number, because it is equal to n+sod(n) for n = 2505242792 and 2505242801.

It is a congruent number.

It is an unprimeable number.

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, 697999 + ... + 701578.

It is an arithmetic number, because the mean of its divisors is an integer number (283414545).

Almost surely, 2^2505242830 is an apocalyptic number.

2505242830 is a deficient number, since it is larger than the sum of its proper divisors (2029389890).

2505242830 is a wasteful number, since it uses less digits than its factorization.

2505242830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399763.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2505242830 is about 50052.4008415181. The cubic root of 2505242830 is about 1358.1568945262.

Adding to 2505242830 its reverse (382425052), we get a palindrome (2887667882).

The spelling of 2505242830 in words is "two billion, five hundred five million, two hundred forty-two thousand, eight hundred thirty".