2150020025 has 6 divisors (see below), whose sum is σ = 2666024862. Its totient is φ = 1720016000.

The previous prime is 2150020021. The next prime is 2150020057. The reversal of 2150020025 is 5200200512.

It can be written as a sum of positive squares in 3 ways, for example, as 1048576 + 2148971449 = 1024^2 + 46357^2 .

It is not a de Polignac number, because 2150020025 - 2² = 2150020021 is a prime.

It is a super-2 number, since 2×2150020025² = 9245172215802001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2150019985 and 2150020012.

It is not an unprimeable number, because it can be changed into a prime (2150020021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43000376 + ... + 43000425.

It is an arithmetic number, because the mean of its divisors is an integer number (444337477).

Almost surely, 2^2150020025 is an apocalyptic number.

2150020025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2150020025 is a deficient number, since it is larger than the sum of its proper divisors (516004837).

2150020025 is an equidigital number, since it uses as much as digits as its factorization.

2150020025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86000811 (or 86000806 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2150020025 is about 46368.3084121041. The cubic root of 2150020025 is about 1290.6668877196. Note that the first 3 decimals are identical.

Adding to 2150020025 its reverse (5200200512), we get a palindrome (7350220537).

The spelling of 2150020025 in words is "two billion, one hundred fifty million, twenty thousand, twenty-five".