2115254225 has 24 divisors (see below), whose sum is σ = 3127954560. Its totient is φ = 1387393920.

The previous prime is 2115254203. The next prime is 2115254311. The reversal of 2115254225 is 5224525112.

It is a happy number.

It is not a de Polignac number, because 2115254225 - 2¹⁴ = 2115237841 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 258740 + ... + 266789.

It is an arithmetic number, because the mean of its divisors is an integer number (130331440).

Almost surely, 2^2115254225 is an apocalyptic number.

2115254225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2115254225 is a deficient number, since it is larger than the sum of its proper divisors (1012700335).

2115254225 is a wasteful number, since it uses less digits than its factorization.

2115254225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525569 (or 525564 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 2115254225 is about 45991.8930356210. The cubic root of 2115254225 is about 1283.6723609075.

Adding to 2115254225 its reverse (5224525112), we get a palindrome (7339779337).

The spelling of 2115254225 in words is "two billion, one hundred fifteen million, two hundred fifty-four thousand, two hundred twenty-five".