2102410225 has 6 divisors (see below), whose sum is σ = 2606988710. Its totient is φ = 1681928160.

The previous prime is 2102410217. The next prime is 2102410241. The reversal of 2102410225 is 5220142012.

It can be written as a sum of positive squares in 3 ways, for example, as 32524209 + 2069886016 = 5703^2 + 45496^2 .

It is not a de Polignac number, because 2102410225 - 2³ = 2102410217 is a prime.

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, 42048180 + ... + 42048229.

Almost surely, 2^2102410225 is an apocalyptic number.

2102410225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2102410225 is a deficient number, since it is larger than the sum of its proper divisors (504578485).

2102410225 is an equidigital number, since it uses as much as digits as its factorization.

2102410225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84096419 (or 84096414 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2102410225 is about 45852.0471189673. The cubic root of 2102410225 is about 1281.0688957585.

Adding to 2102410225 its reverse (5220142012), we get a palindrome (7322552237).

The spelling of 2102410225 in words is "two billion, one hundred two million, four hundred ten thousand, two hundred twenty-five".