2100210425 has 12 divisors (see below), whose sum is σ = 2614402236. Its totient is φ = 1673625600.

The previous prime is 2100210403. The next prime is 2100210439. The reversal of 2100210425 is 5240120012.

It can be written as a sum of positive squares in 6 ways, for example, as 274101136 + 1826109289 = 16556^2 + 42733^2 .

It is not a de Polignac number, because 2100210425 - 2⁶ = 2100210361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157016 + ... + 169865.

It is an arithmetic number, because the mean of its divisors is an integer number (217866853).

Almost surely, 2^2100210425 is an apocalyptic number.

2100210425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2100210425 is a deficient number, since it is larger than the sum of its proper divisors (514191811).

2100210425 is a wasteful number, since it uses less digits than its factorization.

2100210425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327148 (or 327143 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2100210425 is about 45828.0528170246. The cubic root of 2100210425 is about 1280.6219359194.

Adding to 2100210425 its reverse (5240120012), we get a palindrome (7340330437).

The spelling of 2100210425 in words is "two billion, one hundred million, two hundred ten thousand, four hundred twenty-five".