2130025 has 6 divisors (see below), whose sum is σ = 2641262. Its totient is φ = 1704000.

The previous prime is 2130013. The next prime is 2130031. The reversal of 2130025 is 5200312.

It can be written as a sum of positive squares in 3 ways, for example, as 200704 + 1929321 = 448^2 + 1389^2 .

It is not a de Polignac number, because 2130025 - 2⁹ = 2129513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2129987 and 2130014.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42576 + ... + 42625.

2^2130025 is an apocalyptic number.

2130025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2130025 is a deficient number, since it is larger than the sum of its proper divisors (511237).

2130025 is an equidigital number, since it uses as much as digits as its factorization.

2130025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85211 (or 85206 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2130025 is about 1459.4605167664. The cubic root of 2130025 is about 128.6653385040.

Adding to 2130025 its reverse (5200312), we get a palindrome (7330337).

The spelling of 2130025 in words is "two million, one hundred thirty thousand, twenty-five".