2102625 has 64 divisors (see below), whose sum is σ = 4492800. Its totient is φ = 950400.

The previous prime is 2102623. The next prime is 2102629. The reversal of 2102625 is 5262012.

It is not a de Polignac number, because 2102625 - 2¹ = 2102623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102598 and 2102607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23581 + ... + 23669.

It is an arithmetic number, because the mean of its divisors is an integer number (70200).

2^2102625 is an apocalyptic number.

2102625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2102625 is an abundant number, since it is smaller than the sum of its proper divisors (2390175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102625 is an equidigital number, since it uses as much as digits as its factorization.

2102625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2102625 is about 1450.0431028076. The cubic root of 2102625 is about 128.1112517471. Note that the first 3 decimals are identical.

Adding to 2102625 its reverse (5262012), we get a palindrome (7364637).

The spelling of 2102625 in words is "two million, one hundred two thousand, six hundred twenty-five".