2505212530 has 16 divisors (see below), whose sum is σ = 4510546560. Its totient is φ = 1001826352.

The previous prime is 2505212449. The next prime is 2505212537. The reversal of 2505212530 is 352125052.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2505212495 and 2505212504.

It is not an unprimeable number, because it can be changed into a prime (2505212537) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11127 + ... + 71653.

It is an arithmetic number, because the mean of its divisors is an integer number (281909160).

Almost surely, 2^2505212530 is an apocalyptic number.

2505212530 is a deficient number, since it is larger than the sum of its proper divisors (2005334030).

2505212530 is a wasteful number, since it uses less digits than its factorization.

2505212530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64673.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2505212530 is about 50052.0981578195. The cubic root of 2505212530 is about 1358.1514190330.

Adding to 2505212530 its reverse (352125052), we get a palindrome (2857337582).

The spelling of 2505212530 in words is "two billion, five hundred five million, two hundred twelve thousand, five hundred thirty".