2130515225 has 36 divisors (see below), whose sum is σ = 2829061488. Its totient is φ = 1591200000.

The previous prime is 2130515203. The next prime is 2130515243. The reversal of 2130515225 is 5225150312.

It is not a de Polignac number, because 2130515225 - 2⁶ = 2130515161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2130515194 and 2130515203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 945350 + ... + 947600.

Almost surely, 2^2130515225 is an apocalyptic number.

2130515225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2130515225 is a deficient number, since it is larger than the sum of its proper divisors (698546263).

2130515225 is a wasteful number, since it uses less digits than its factorization.

2130515225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426 (or 2404 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2130515225 is about 46157.5045360990. The cubic root of 2130515225 is about 1286.7520851757.

Adding to 2130515225 its reverse (5225150312), we get a palindrome (7355665537).

The spelling of 2130515225 in words is "two billion, one hundred thirty million, five hundred fifteen thousand, two hundred twenty-five".