2186030025 has 45 divisors (see below), whose sum is σ = 4053184311. Its totient is φ = 1164760560.

The previous prime is 2186029987. The next prime is 2186030039. The reversal of 2186030025 is 5200306812.

The square root of 2186030025 is 46755.

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

It can be written as a sum of positive squares in only one way, i.e., 786970809 + 1399059216 = 28053^2 + 37404^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 2186030025 - 2¹³ = 2186021833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 44 ways as a sum of consecutive naturals, for example, 2103456 + ... + 2104494.

Almost surely, 2^2186030025 is an apocalyptic number.

2186030025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2186030025 is the 46755-th square number.

2186030025 is the 23378-th centered octagonal number.

It is an amenable number.

2186030025 is a deficient number, since it is larger than the sum of its proper divisors (1867154286).

2186030025 is an frugal number, since it uses more digits than its factorization.

2186030025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The cubic root of 2186030025 is about 1297.8326855815.

Adding to 2186030025 its reverse (5200306812), we get a palindrome (7386336837).

The spelling of 2186030025 in words is "two billion, one hundred eighty-six million, thirty thousand, twenty-five".