2118300625 has 45 divisors (see below), whose sum is σ = 3090948861. Its totient is φ = 1447026000.

The previous prime is 2118300619. The next prime is 2118300637. The reversal of 2118300625 is 5260038112.

The square root of 2118300625 is 46025.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 166074769 + 1952225856 = 12887^2 + 44184^2 .

It is not a de Polignac number, because 2118300625 - 2⁵ = 2118300593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2118300593 and 2118300602.

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 44 ways as a sum of consecutive naturals, for example, 8054244 + ... + 8054506.

Almost surely, 2^2118300625 is an apocalyptic number.

2118300625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2118300625 is the 46025-th square number.

2118300625 is the 23013-rd centered octagonal number.

It is an amenable number.

2118300625 is a deficient number, since it is larger than the sum of its proper divisors (972648236).

2118300625 is an frugal number, since it uses more digits than its factorization.

2118300625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The cubic root of 2118300625 is about 1284.2883158109.

Adding to 2118300625 its reverse (5260038112), we get a palindrome (7378338737).

The spelling of 2118300625 in words is "two billion, one hundred eighteen million, three hundred thousand, six hundred twenty-five".